Hatton Garden remains one of the most recognisable names in British jewellery.

For customers searching for an engagement ring, bespoke diamond jewellery, a family-stone reset, jewellery repair or an in-person consultation in London, Hatton Garden continues to offer something extremely valuable: concentration.

Jewellers, workshops, diamond dealers, setters, repair specialists and bespoke businesses operate within the same jewellery district. That makes Hatton Garden highly effective for customer-facing retail, craftsmanship and local trade relationships.

But professional diamond sourcing requires a different question.

A UK jeweller does not only need to ask:

“Where can I buy a diamond?”

The more commercially useful questions are:

Where can I access the strongest selection?

Which sourcing route gives me the best margin after all costs?

Can I obtain matched pairs and calibrated melee consistently?

How quickly can I source an unusual fancy shape?

What certification does my customer expect?

What paperwork will I need?

How should import VAT be managed?

And how can I preserve the value of a London jewellery business while using an international wholesale supply network?

That is where the comparison between Hatton Garden diamond wholesale and direct Antwerp diamond sourcing becomes useful.

The two markets should not automatically be treated as competitors.

Hatton Garden is particularly strong for local retail, workshops, bespoke consultations, customer trust and jewellery aftercare. Antwerp provides deeper access to wholesale natural-diamond supply, certified centre stones, matched pairs, melee, fancy shapes and specialist trade sourcing.

For many UK jewellers, the strongest 2026 model is therefore not:

Hatton Garden or Antwerp.

It is:

Hatton Garden and Antwerp.

Use London for the customer relationship and finished jewellery experience.

Use Antwerp when deeper natural-diamond sourcing provides a commercial advantage.

Quick Answer: Should UK Jewellers Source Diamonds from Hatton Garden or Antwerp?

Hatton Garden is often the stronger choice when a UK jeweller needs immediate local access, workshop coordination, repairs, settings, customer-facing consultations or fast small-stone requirements. Antwerp can make more sense when the jeweller needs broader wholesale natural-diamond choice, certified centre stones, matched pairs, calibrated melee, fancy shapes or repeatable supply for bridal and fine-jewellery collections. After Brexit, direct Antwerp imports remain possible, but UK businesses need proper customs, import VAT and sanctions-compliance processes.

For many independent jewellers, the most efficient approach is hybrid:

source the right natural diamond through Antwerp and create, set, finish and service the jewellery in the UK.

Why Hatton Garden Still Matters in 2026

The importance of Hatton Garden goes far beyond loose diamonds.

Its real commercial advantage is the complete jewellery ecosystem.

A customer can visit a jeweller, compare engagement-ring styles, discuss a bespoke piece, inspect stones, choose a setting, arrange resizing and return later for servicing or repairs.

That local experience matters.

A customer spending several thousand pounds on an engagement ring may not want the entire purchase to happen through emails, PDFs and courier parcels.

They may want to sit opposite a professional.

They may want to compare two Ovals under the same lighting.

They may want to understand why one VS2 looks cleaner than another.

They may want reassurance that the ring can be resized locally after the proposal.

Hatton Garden provides that physical confidence.

The source material correctly emphasises that the district's value lies in the wider ecosystem of jewellery shops, workshops, bespoke services and aftercare rather than loose-stone trading alone.

That creates an important distinction.

The best place to sell a diamond to the customer does not necessarily have to be the same place from which the jeweller originally sourced the diamond.

Hatton Garden as the Front End, Antwerp as the Sourcing Engine

This is perhaps the clearest way to understand the relationship.

Hatton Garden can function as the front end of the jewellery business.

Antwerp can function as part of the back-end supply chain.

The customer experiences:

the London consultation,

the design discussion,

the jeweller's recommendations,

the craftsmanship,

the setting,

the final ring,

and the aftercare.

Behind that experience, the retailer may have sourced the centre diamond through Antwerp.

The customer is still buying from the UK jeweller.

The jeweller remains responsible for:

selection,

quality,

pricing,

design,

documentation,

customer service,

and the finished piece.

The supplier relationship simply gives that jeweller a wider search universe.

When Hatton Garden Local Sourcing Makes the Most Sense

Local sourcing has several genuine advantages.

Consider a customer who brings in a grandmother's engagement ring and wants the original diamond reset into a modern platinum setting.

The jeweller may need:

stone removal,

measurement,

design consultation,

setting,

polishing,

and perhaps several small replacement diamonds.

There may be little commercial reason to build an international diamond import around a handful of tiny replacement stones.

The convenience of Hatton Garden may be more valuable than a small theoretical wholesale saving.

The source specifically identifies local workshop coordination, urgent repairs, remodelling, resizing, settings and smaller immediate requirements as situations where London sourcing can be especially practical.

Example: When Local Supply Wins

Imagine a customer needs one 2.4 mm Round Brilliant natural diamond to replace a missing side stone.

The job itself may involve:

stone matching,

setting,

claw repair,

polishing,

and same-week completion.

Importing one small stone from Antwerp would usually make little operational sense.

A local trade relationship can solve the job quickly.

Now compare that with a retailer needing:

twenty 0.70–0.90 ct certified natural diamonds,

or matched Ovals for a bridal collection.

That is a very different sourcing problem.

Where Direct Antwerp Sourcing Becomes More Attractive

Antwerp becomes particularly valuable when the jeweller needs search depth.

Suppose the customer requests:

a 1.20 ct natural Oval,

G–H Colour,

VS2–SI1,

eye-clean,

strong face-up spread,

an elegant length-to-width ratio,

recognised certification,

and a defined budget.

Finding the first diamond that technically fits those parameters is easy.

Finding the best stone within those parameters is harder.

The customer may benefit from comparing three carefully sourced options rather than accepting whichever stone happens to be available locally that day.

The source identifies this as one of Antwerp's primary advantages: broader access to specific stones, matched pairs, calibrated melee, parcels and several certified diamonds for comparison.

That deeper search can be particularly useful for independent retailers who do not want to hold enormous stock.

Why Antwerp Can Reduce the Need to Overstock

Diamond inventory is expensive.

A jeweller trying to keep every possible customer option physically in London might need:

Round Brilliants from 0.30 to 3.00 ct,

Ovals,

Emerald Cuts,

Cushions,

Pears,

Radiants,

Marquises,

different Colour grades,

different Clarity grades,

HRD,

GIA,

IGI,

matched pairs,

and several melee sizes.

That ties substantial capital into stones that may sit unsold for months.

A more efficient model is:

keep fast-moving inventory locally,

then source specific requests through an established wholesale relationship.

The source recommends essentially this model: UK retailers can maintain a focused retail selection and use Antwerp for unusual stones or customer-specific requirements.

Hatton Garden vs Antwerp: Practical Sourcing Comparison

RequirementHatton GardenDirect Antwerp SourcingCustomer consultationExcellentSupplier-facingLocal workshop coordinationExcellentLimited relevanceRepairs and resizingExcellentNot primary purposeSame-day small replacement stonesStrongUsually inefficientFinished settingsStrongNot primary purposeBespoke London craftsmanshipStrongSupports stone supplyLarge loose-diamond searchGoodParticularly strongCertified centre stonesAvailableDeep sourcing accessFancy shapesAvailableBroader wholesale searchMatched pairsAvailableStrong specialist sourcingCalibrated meleeAvailableStrong parcel sourcingBridal collection supplyGoodStrong repeat sourcingCustomer-specific searchGoodParticularly usefulImport administrationNone for domestic purchaseRequiredShipping/insuranceSimplerMust be managedWholesale pricing depthDepends on routePotentially strongerLocal identityVery strongCan support rather than replace it

The table shows why the answer is rarely absolute.

The sourcing route should match the job.

The Margin Question: Compare Total Cost, Not Just Diamond Price

A diamond that appears cheaper in Antwerp is not automatically more profitable once it reaches the UK.

Likewise, a locally sourced stone that looks more expensive on its invoice may still produce a better result when speed, convenience and lower administration are considered.

The relevant commercial calculation is:

landed cost + operational cost + customer value + inventory risk.

The source makes the same point: Hatton Garden can add value through convenience and local service, while Antwerp can offer wholesale depth but introduces shipping, insurance, customs handling, VAT administration and time considerations.

Example: Comparing the Complete Sourcing Cost

Suppose a jeweller compares two similar natural diamonds.

Local Hatton Garden Option

Stone cost: £4,350
Local collection: immediate
Import administration: none
Shipping risk: minimal
Customer presentation: same day

Antwerp Option

Stone cost: £3,950
Secure shipping: additional
Insurance: additional
Broker/customs cost: additional
Import VAT accounting: required
Delivery time: longer
Diamond choice: potentially broader

The correct conclusion cannot be reached by comparing only:

£4,350 vs £3,950.

The retailer needs the complete landed and operating cost.

For a one-off repair, local supply may win easily.

For a higher-value centre diamond where Antwerp provides substantially stronger price or choice, importing may still create the better commercial outcome.

Post-Brexit Diamond Imports: What Changed?

Since the UK left the EU customs framework, moving commercial goods from Belgium into Great Britain is an import process rather than an ordinary intra-EU movement.

A UK business importing goods into England, Scotland or Wales generally needs to deal with customs requirements, and HMRC states that a GB EORI number is needed to import into Great Britain. Businesses can use a customs agent or other intermediary instead of managing declarations themselves.

For jewellers, this matters because natural diamonds are:

high value,

physically small,

and often time-sensitive.

A tiny documentation error can delay a parcel containing substantial value.

That does not make Antwerp sourcing impractical.

It simply means that direct importing should be treated as a business process rather than casual international shipping.

What UK Jewellers Should Have in Place Before Regular Antwerp Imports

A retailer importing regularly should understand or arrange:

a GB EORI number,

customs declaration handling,

commodity classification,

commercial invoicing,

secure insured shipping,

import VAT treatment,

supplier documentation,

and appropriate sanctions/origin checks.

Many jewellers will sensibly use:

a customs broker,

freight/shipping specialist,

accountant,

and experienced diamond supplier.

HMRC itself notes that customs clearance can be complicated and businesses can appoint an agent to handle import declarations.

Import VAT and Postponed VAT Accounting

Import VAT is one of the most important cash-flow considerations when importing high-value goods.

HMRC's current guidance confirms that VAT-registered UK businesses may be able to account for import VAT through their VAT Return using postponed VAT accounting (PVA) rather than paying the VAT immediately at import, subject to the applicable rules.

This can matter enormously for jewellery businesses.

Imagine importing £40,000 of natural diamonds.

A large immediate VAT payment can create a substantial cash-flow requirement even where the business will ultimately recover eligible input VAT.

Under PVA, qualifying businesses can account for the import VAT on the VAT Return instead. HMRC's guidance also explains that postponed import VAT statements contain import-level information and must be used as part of the accounting process.

This is not something jewellery staff should improvise.

The jeweller should confirm its VAT and customs process with its accountant or tax adviser.

Customs Declaration Service

HMRC's Customs Declaration Service is central to current UK customs administration.

Businesses can use it to access import/export declaration information, import VAT certificates and postponed import VAT statements. HMRC's guidance was updated again in July 2026, underscoring that this remains the active customs system.

For regular diamond importing, customs records should be treated with the same seriousness as grading certificates.

The Stock File Should Tell the Complete Commercial Story

For a certified natural diamond imported from Antwerp, the retailer may retain:

RecordPurposeGrading reportIdentifies diamond characteristicsCertificate/report numberLinks the stone to grading dataSupplier invoiceRecords the commercial sourceShipping recordDocuments shipmentCustoms entryRecords UK importImport VAT recordAccounting supportOrigin/sanctions documentationCompliance supportInternal stock numberRetailer trackingCustomer invoiceFinal sale record

This creates traceability inside the retailer's own business.

Russian Diamond Restrictions: Why Mining Origin Matters

This is an area where retailers must be especially careful with language.

A diamond being:

bought in London,

sourced from Antwerp,

polished in India,

or certified in another country

does not automatically establish where the rough diamond was mined.

The current UK government guidance on third-country-processed Russian diamonds was updated on 12 June 2026. It states that the UK prohibition covers specified non-industrial diamonds that were mined in Russia and subsequently processed in a third country when they meet the relevant product and Carat thresholds. The guidance currently includes stones of 0.5 ct or larger under the applicable measure from 1 September 2024.

This makes supplier documentation particularly important.

Retailers should not treat:

“Antwerp-sourced”

as a mining-origin declaration.

Nor should they treat:

“polished in India”

as proof that the rough stone originated in India.

Certification Is Not Sanctions Documentation

This is a crucial distinction.

A grading report may tell you:

Carat,

Colour,

Clarity,

Cut,

measurements,

fluorescence,

and other stone characteristics.

It does not automatically prove:

mine of origin,

complete supply chain,

or sanctions compliance.

The source makes this same distinction between grading certification and sourcing/origin records.

Retailers therefore need two separate questions:

Is this stone correctly graded and identified?

and

Do we have appropriate sourcing documentation for this stone?

“Sourced from Antwerp” Does Not Mean “Mined in Belgium”

This is obvious to diamond professionals but not necessarily to customers.

Belgium is a diamond-trading and distribution centre.

It is not the mining origin of most diamonds moving through Antwerp.

Likewise:

Hatton Garden is a jewellery and trade district.

It is not a diamond mine.

The source explicitly makes this distinction and advises jewellers not to confuse where a stone was traded or polished with its mining origin.

A simple customer-facing answer is:

“Antwerp is where we sourced the diamond through the trade. Mining origin is a separate sourcing question supported by supplier documentation.”

Local Cutting vs Local Jewellery Making

The phrase “locally made” can become confusing.

A ring may be made in London even when the diamond was:

mined elsewhere,

cut elsewhere,

graded elsewhere,

and sourced through Antwerp.

That does not make “London-made” misleading if what the retailer actually means is that:

the design,

metalwork,

setting,

finishing,

and final jewellery production

were completed in London.

The source describes this distinction well: Hatton Garden has particular strength in jewellery making, setting, repairs and bespoke work, while global diamond cutting and polishing occur across a much broader international supply chain.

A Stronger London-Made Story

Instead of saying:

“This is a completely local diamond ring.”

a retailer can say:

“We sourced the natural diamond through our Antwerp wholesale network and designed, set and finished the ring here in London.”

That is a stronger statement because it is precise.

It gives the customer:

international sourcing depth

plus

local craftsmanship.

What UK Jewellers Should Usually Source Locally

Local Hatton Garden sourcing is often efficient for:

urgent repairs,

small replacement stones,

settings,

remodelling,

resizing,

workshop coordination,

customer-facing bespoke consultations,

and short-turnaround jewellery requirements.

The source supports this distinction and notes that local sourcing is particularly useful where time, workshop access and immediate customer decisions matter.

These are activities where physical proximity has real operational value.

What UK Jewellers Should Consider Sourcing from Antwerp

Antwerp becomes more compelling for:

certified centre diamonds,

larger natural diamonds,

fancy shapes,

matched pairs,

calibrated melee,

bridal parcels,

multiple stones for customer comparison,

and difficult specification requests.

The source specifically identifies these categories as areas where Antwerp's sourcing depth may offer greater value to UK retailers.

For Dalila Diamonds, this is the key commercial role.

The objective is not to replace the Hatton Garden jeweller.

It is to expand what that jeweller can offer.

Example: Customer-Specific Antwerp Sourcing Request

A Hatton Garden bespoke jeweller might send:

Project: Natural diamond engagement ring
Shape: Oval
Carat: 1.15–1.30 ct
Colour: G–H
Clarity: VS2–SI1, eye-clean
Certification: GIA preferred, HRD considered
Length-to-width ratio: Approx. 1.40–1.47
Fluorescence: None to Faint preferred
Priority: Elegant outline and strong face-up spread
Delivery: London
Budget: Defined

That allows the supplier to search intelligently.

It is far more useful than:

“Send me some 1.2 Carat Ovals.”

Matched Pairs: Where Wholesale Depth Matters

Matched pairs are another strong reason to maintain an Antwerp relationship.

Suppose a customer wants:

a 2.00 ct Oval sapphire

with

two natural diamond Pear side stones.

The stones need to balance in:

Carat,

length,

width,

outline,

Colour,

Clarity,

and brightness.

Two stones that have exactly the same Carat weight may still look badly mismatched.

Example Matched Pear Comparison

CharacteristicPear APear BCarat0.340.35Length5.42 mm5.40 mmWidth3.54 mm3.57 mmColourGGClarityVS2VS2OutlineSlenderSlenderVisual balanceStrongStrong

The objective is symmetry.

Not identical numbers for the sake of identical numbers.

Calibrated Melee for Bridal and Fine Jewellery

For retailers manufacturing:

halos,

pavé shoulders,

eternity rings,

tennis bracelets,

diamond bands,

or repeated bridal collections,

melee consistency matters enormously.

A parcel of poorly matched stones can create visible variation in:

brightness,

diameter,

Colour,

and overall finish.

Antwerp wholesale sourcing can be particularly useful when the jeweller needs repeatable parcels rather than random one-off stones.

Inventory Strategy for UK Jewellers

Overstocking is one of the easiest ways for an independent jewellery business to lock cash into slow-moving assets.

The source recommends that UK retailers retain fast-moving bridal inventory but source larger stones, unusual shapes and matched pairs as needed.

A practical core inventory might look like this:

CategorySuggested Strategy0.30–0.50 ct Round BrilliantCore stock0.50–1.00 ct Round BrilliantSelected stockPopular OvalsSelected stockEmerald CutsLimited stockCommon melee sizesCore stockSmall repair diamondsCore stockPear side stonesLimited / customHalf-moonsCustom sourceTrapezoidsCustom source1.50 ct+ premium centresUsually custom sourceRare fancy shapesCustom sourceMatched pairsSource to project

This creates customer choice without tying up excessive capital.

Certification Expectations in the UK

Certification plays an important role in UK bridal retail.

Customers purchasing an important centre stone frequently ask for:

GIA,

HRD,

IGI,

or simply “a diamond certificate.”

The source notes that GIA enjoys strong recognition among UK customers, while HRD and IGI also appear within UK and European inventory.

The retailer's role is not to turn the discussion into a laboratory battle.

A strong explanation is:

“This natural diamond carries a recognised grading report. We have verified the report and retain separate supplier documentation for our sourcing records.”

That covers both grading and sourcing without confusing the two.

GIA for UK Customers

GIA can be especially useful where the customer:

already asks for GIA,

has researched engagement diamonds online,

is making an international comparison,

or is purchasing a higher-value centre stone.

Its customer familiarity can shorten the explanation.

HRD for UK Customers

HRD can be presented as a recognised European grading option with a particularly strong Antwerp connection.

This can work naturally when the stone is sourced through Antwerp.

IGI for UK Customers

IGI can also appear in certified UK inventory.

The retailer should simply explain:

what the report shows,

that it has been verified,

and why the actual stone was selected.

The Certificate Should Not Choose the Diamond for You

A grading report is extremely useful.

But it does not tell the entire visual story.

Imagine two certified Ovals:

FactorDiamond ADiamond BCarat1.21 ct1.17 ctColourGGClarityVS2VS2Length × Width8.40 × 6.05 mm8.55 × 6.00 mmBow-tieMore visibleLess visibleOutlineSlightly heavy shouldersElegantFace-up impressionGoodExcellent

Diamond B weighs less.

But many customers may prefer it.

The certificate helps narrow the search.

The jeweller still needs to select the better-looking stone.

Hatton Garden Identity Does Not Disappear When the Diamond Comes from Antwerp

This is an important branding point.

Some local retailers may worry that international diamond sourcing weakens a London-made story.

It does not.

The customer is buying:

the jeweller's selection,

the jeweller's advice,

the jeweller's design,

the jeweller's workmanship,

and the jeweller's aftercare.

The source makes the same point: a ring can still be designed and made in London even if the loose natural diamond was sourced through Antwerp.

The right wording makes this stronger.

“We source selected natural diamonds through trusted Antwerp wholesale relationships and create the finished jewellery here in London.”

That is a compelling combination.

Hatton Garden + Antwerp for Bespoke Engagement Rings

Consider the full journey of a bespoke ring.

Stage 1: London Consultation

The customer visits Hatton Garden.

They discuss:

budget,

shape,

metal,

setting style,

and timeline.

Stage 2: Diamond Brief

The jeweller defines:

Carat range,

Colour,

Clarity,

certificate,

measurements,

and visual priorities.

Stage 3: Antwerp Search

The supplier identifies several natural diamonds.

Stage 4: Retailer Selection

The jeweller reviews:

reports,

videos,

measurements,

pricing,

and visual characteristics.

Stage 5: Import

The selected stone moves into the UK through the proper customs and VAT process. Great Britain import procedures require appropriate customs clearance, and a GB EORI is generally required for businesses importing goods.

Stage 6: London Manufacture

The workshop creates or adjusts the setting.

Stage 7: Final Quality Control

The jeweller inspects:

stone security,

finish,

symmetry,

polish,

and ring size.

Stage 8: Customer Collection

The client receives a London-crafted ring with documented natural-diamond sourcing.

This is where local craftsmanship and wholesale sourcing become complementary rather than competitive.

Buyback, Trade-In and Inherited Diamonds

Hatton Garden retailers frequently encounter diamonds that are already customer-owned.

They can come from:

old engagement rings,

inheritances,

divorce settlements,

upgrades,

or jewellery being remodelled.

These stones require a different intake process.

The source recommends recording certificate information, condition, measurements, photographs, valuation notes and any available purchase history before the stone is reset or bought into stock.

That is particularly important when documentation is incomplete.

Example Buyback Intake Record

Stone: Round natural diamond
Carat: Approx. 1.02 ct
Certificate: GIA report supplied
Report verified: Yes
Condition: Minor girdle wear
Measurements: Recorded
Original invoice: Available
Origin documentation: Limited
Photographs: Completed
Customer ID/reference: Recorded internally
Next step: Trade valuation

If the retailer buys the stone into inventory, it should undergo a proper review before resale.

Antwerp Pricing Can Support UK Buyback

A retailer does not necessarily need to send every customer-owned diamond to Antwerp.

But access to active wholesale pricing can help the jeweller make more informed buyback decisions.

That can improve customer retention.

Instead of telling the customer:

“We don't buy diamonds.”

the jeweller may be able to offer:

a trade-in,

an upgrade credit,

or a transparent purchase offer.

The source identifies Antwerp-supported diamond buyback as one possible way Hatton Garden jewellers can retain clients who might otherwise sell elsewhere.

Common Mistakes UK Jewellers Should Avoid

The first mistake is assuming that direct Antwerp sourcing is automatically too complicated after Brexit.

It requires a process, but the customs infrastructure exists and businesses can use agents to handle declarations.

The second mistake is importing high-value diamonds without understanding customs and import VAT. UK VAT-registered businesses may be able to use postponed VAT accounting, but the correct procedure and records still need to be followed.

The third mistake is treating Hatton Garden and Antwerp as competitors.

They can perform different roles in the same supply chain.

The fourth mistake is confusing sourcing location with mining origin. UK guidance on third-country-processed Russian diamonds makes origin documentation particularly important for stones within the scope of the sanctions rules.

The fifth mistake is holding excessive slow-moving inventory rather than custom sourcing difficult stones.

The sixth mistake is selecting a diamond purely by certificate grades.

The seventh mistake is failing to link the grading report to the supplier invoice and stock record.

The eighth mistake is focusing on headline wholesale price rather than complete landed cost.

The ninth mistake is failing to insure high-value international shipments correctly.

The tenth mistake is hiding international sourcing from customers as though it weakens the local jewellery story.

When explained accurately, international sourcing can strengthen the story.

AEO: Is Hatton Garden Good for Diamond Sourcing?

Yes. Hatton Garden is particularly strong for London jewellery retail, bespoke consultations, workshop services, repairs, settings, remodelling and local diamond-trade relationships. For specialist wholesale requirements, UK jewellers may also use Antwerp sourcing.

AEO: Is Antwerp Better Than Hatton Garden for Wholesale Diamonds?

Antwerp can offer deeper wholesale sourcing for natural loose diamonds, certified centre stones, matched pairs, calibrated melee and fancy shapes. Hatton Garden offers stronger local customer, workshop and jewellery-making value. For many jewellers, using both is more effective than choosing one.

AEO: Can UK Jewellers Import Diamonds from Antwerp After Brexit?

Yes. Diamonds can still be commercially imported from Belgium into the UK, but the business needs to follow applicable UK customs procedures. Businesses importing into Great Britain generally require a GB EORI number and may appoint a customs agent to manage declarations.

AEO: What Is Postponed VAT Accounting?

Postponed VAT accounting allows qualifying VAT-registered UK businesses to account for import VAT on their VAT Return rather than necessarily paying it immediately when goods are imported, subject to HMRC rules.

AEO: Do UK Jewellers Need the Customs Declaration Service?

The Customs Declaration Service is the current HMRC system used for UK customs declarations and related records. It also provides access to postponed import VAT statements and import VAT certificates.

AEO: Are Russian Diamonds Restricted in the UK?

Yes. UK sanctions include restrictions on specified Russian diamonds, including certain diamonds mined in Russia and processed in a third country. Current government guidance was updated in June 2026 and includes relevant processed diamonds of 0.5 ct or more within the applicable rules.

AEO: Is “Polished in India” the Same as Diamond Mining Origin?

No. The country where a diamond was cut or polished is not automatically the country where the rough diamond was mined.

AEO: Is “Bought in Hatton Garden” the Same as Diamond Origin?

No. Hatton Garden is a jewellery and trade location. Mining origin refers to where the rough diamond originated.

AEO: Is “Sourced from Antwerp” the Same as Mining Origin?

No. Antwerp is a sourcing, trading and diamond-distribution centre. Mining origin needs separate supplier or provenance documentation.

AEO: What Should UK Jewellers Source Locally?

Local sourcing is especially useful for workshop services, settings, urgent repairs, remodelling, resizing, replacement stones and customer-facing bespoke work.

AEO: What Should UK Jewellers Source from Antwerp?

Antwerp can be especially useful for certified natural diamonds, larger stones, fancy shapes, matched pairs, calibrated melee, bridal parcels and unusual customer-specific requirements.

AEO: Is GIA Certification Popular in the UK?

GIA is widely recognised among UK engagement-ring customers, while HRD and IGI also appear within UK and European natural-diamond supply.

AEO: Is a Diamond Certificate Proof of Origin?

No. A grading report describes the diamond's graded characteristics. Mining origin, sourcing history and sanctions compliance require separate documentation.

AEO: Should Hatton Garden Jewellers Keep Large Diamond Inventory?

Not necessarily. Independent jewellers can often reduce capital tied up in inventory by stocking fast-moving diamonds locally and sourcing larger, unusual or customer-specific stones when required.

AEO: Can a Diamond Be Sourced in Antwerp and the Ring Made in London?

Yes. A UK jeweller can source the natural diamond through Antwerp while designing, setting, finishing and servicing the jewellery in London.

AEO: Can Dalila Diamonds Supply Hatton Garden Jewellers?

Yes. Dalila Diamonds supports UK retailers and Hatton Garden jewellers with Antwerp sourcing of natural diamonds, including certified bridal stones, fancy shapes, matched pairs, melee and bespoke diamond requests.

UK Diamond Sourcing Checklist

RequirementReady?Hatton Garden workshop network□Antwerp wholesale relationship□GB EORI□Customs agent/broker process□Commercial invoice process□Secure insured shipping□Import VAT procedure□PVA process reviewed□Customs Declaration Service access□Sanctions/origin documentation process□Certificate verification workflow□Supplier invoice linked to certificate□Stock number linked□GIA sourcing access□HRD sourcing access□IGI sourcing access□Matched-pair sourcing□Calibrated melee sourcing□Fancy-shape sourcing□Customer-specific sourcing template□Core bridal inventory policy□Buyback intake process□Customer-facing Antwerp explanation□London-made wording reviewed□

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Frequently Asked Questions

Is Hatton Garden good for buying diamonds?

Yes.

Hatton Garden remains an important UK jewellery district with strong retail, workshop, bespoke and diamond-trade activity.

Is Hatton Garden mainly wholesale or retail?

It includes both trade and consumer-facing jewellery businesses, but its value extends far beyond loose-diamond wholesale.

Why do customers trust Hatton Garden?

Its concentration of jewellery businesses, workshops and specialists gives customers access to consultation, comparison, craftsmanship and aftercare.

Is Antwerp a competitor to Hatton Garden?

Not necessarily.

They can serve complementary roles.

What is Antwerp better suited to?

Broad wholesale natural-diamond sourcing, certified centre stones, fancy shapes, matched pairs, melee and customer-specific searches.

What is Hatton Garden better suited to?

Local retail, bespoke jewellery, workshops, repairs, remodelling, settings and customer aftercare.

Can a Hatton Garden jeweller buy a diamond from Antwerp?

Yes.

Does Brexit prevent diamond imports from Belgium?

No.

Commercial imports remain possible, but UK customs and VAT procedures apply.

Do UK importers need an EORI?

Businesses importing into Great Britain generally need a GB EORI number.

Can a customs agent handle the declaration?

Yes.

HMRC explicitly notes that businesses can hire a customs agent or other intermediary to manage customs clearance.

Is import VAT payable on diamonds?

Import VAT treatment depends on the relevant UK VAT and customs rules. VAT-registered businesses may be able to use postponed VAT accounting where the requirements are met.

What is PVA?

PVA stands for postponed VAT accounting.

Does PVA mean no import VAT exists?

No.

It changes how qualifying businesses account for import VAT; it does not simply remove VAT.

Where are PVA records obtained?

HMRC provides postponed import VAT statements through its customs services.

Is PVA useful for high-value diamonds?

It can be commercially significant because diamond shipments can have substantial values, but businesses should confirm their own VAT treatment professionally.

Do jewellers need to understand customs commodity codes?

Import declarations require correct customs information, so jewellers should work with a competent customs agent when necessary.

Are Russian natural diamonds restricted?

Yes.

Current UK rules prohibit certain Russian-origin diamonds, including specified stones processed in third countries.

What Carat threshold applies to third-country-processed Russian diamonds?

Current UK guidance includes relevant processed diamonds of 0.5 ct or more under the measure from 1 September 2024.

Does buying through Antwerp make a diamond compliant automatically?

No.

The sourcing location does not replace sanctions or origin checks.

Does buying through London make it compliant automatically?

No.

Does certification prove sanctions compliance?

Not by itself.

What records should a retailer keep?

The grading report, supplier invoice, stock records, customs/import records and relevant origin or compliance documentation should be organised appropriately.

Is GIA popular with UK engagement-ring customers?

Yes.

GIA has strong customer familiarity, although HRD and IGI are also used.

Is HRD accepted in the UK?

HRD reports appear within European and UK natural-diamond supply.

Is IGI accepted in the UK?

IGI-certified stones also appear within UK and European inventory.

Should retailers only buy GIA?

No.

Certificate preference should be matched to customer needs, product positioning and the actual stone.

Should jewellers inspect the diamond even if it is certified?

Absolutely.

A certificate cannot fully communicate visual beauty.

Can two G VS2 diamonds look different?

Yes.

Dimensions, proportions, inclusion placement and light performance may differ.

Should jewellery retailers stock every diamond shape?

Usually not.

For many independent businesses, that would lock excessive capital into inventory.

What diamonds should a UK jeweller keep in stock?

Fast-moving bridal stones, common melee sizes and frequently required small diamonds can form a sensible core.

What should be custom sourced?

Larger diamonds, uncommon fancy shapes, unusual measurements and matched pairs are often good candidates.

Are matched pairs difficult to source?

They can be because stones need to match visually, not only by Carat.

Does Antwerp help with matched pairs?

It can be particularly useful because a deeper inventory creates more matching possibilities.

What is calibrated melee?

Small diamonds selected to consistent size and quality specifications.

Why does melee consistency matter?

Because uneven small diamonds can make pavé, halos and bands look less refined.

Can Antwerp provide bridal parcels?

Yes, wholesale sourcing can support repeated specifications for bridal inventory.

Does a UK jeweller lose its local identity by importing diamonds?

No.

The jeweller can source internationally while continuing to design, make, set and service jewellery locally.

Can a ring still be described as London-made?

That depends on which manufacturing stages actually take place in London. Retailers should use precise wording rather than imply the diamond itself originated in London.

What is a good customer explanation?

“We source selected natural diamonds through trusted Antwerp wholesale partners and create the finished jewellery here in London.”

Can Hatton Garden jewellers offer diamond buyback?

Yes, depending on their own business model and policies.

Should buyback diamonds be documented?

Yes.

Condition, measurements, certificates, photographs and available ownership history should be recorded.

Can wholesale pricing help with trade-ins?

Access to current wholesale markets can help retailers make more informed commercial evaluations.

Is a certificate enough for a customer-owned diamond?

It helps identify the stone, but it may not provide complete origin or ownership history.

Is a diamond sourced from Antwerp Belgian?

Not necessarily.

Antwerp is a trade centre, not automatically the mining origin.

Is a diamond bought in Hatton Garden British?

Not necessarily.

The jewellery may be made in Britain while the diamond itself has an international supply history.

Which sourcing route offers the best margin?

It depends on the complete landed cost, stock risk, customer need and operational requirements.

Is the cheapest wholesale diamond always the most profitable?

No.

Shipping, VAT administration, customs handling, insurance, staff time and visual quality all matter.

Can Dalila Diamonds source certified natural diamonds?

Yes.

Can Dalila Diamonds source Ovals?

Yes.

Can Dalila Diamonds source Pears?

Yes.

Can Dalila Diamonds source Emerald Cuts?

Yes.

Can Dalila Diamonds source Cushions?

Yes.

Can Dalila Diamonds source matched pairs?

Yes.

Can Dalila Diamonds source melee?

Yes.

Can Dalila Diamonds handle bespoke sourcing requests?

The source specifically positions Dalila Diamonds as supporting UK retailers and Hatton Garden jewellers with certified bridal stones, fancy shapes, matched pairs, melee and bespoke requests.

Conclusion: Hatton Garden and Antwerp Are Stronger Together

Hatton Garden remains enormously valuable to the UK jewellery industry.

Its strengths are clear:

customer trust,

London retail,

bespoke consultations,

workshops,

setting,

remodelling,

repairs,

and aftercare.

Antwerp has a different strength.

It gives retailers access to deeper natural-diamond sourcing:

certified centre stones,

fancy shapes,

matched pairs,

calibrated melee,

larger stones,

and customer-specific wholesale searches.

The source reaches the same central conclusion: Hatton Garden and Antwerp serve different purposes, and the strongest sourcing model can combine London client service and craftsmanship with Antwerp diamond supply.

Brexit has added administrative steps to that relationship.

UK retailers importing from Belgium need appropriate customs processes, and businesses importing into Great Britain generally need a GB EORI. VAT-registered businesses may also be able to use postponed VAT accounting for import VAT where the relevant requirements are met.

Russian-diamond restrictions also make sourcing documentation increasingly important. Current UK guidance prohibits specified Russian-origin diamonds processed through third countries within the relevant product and Carat thresholds, so the location where a polished diamond was purchased cannot be treated as proof of mining origin.

But none of this changes the commercial logic.

A Hatton Garden jeweller does not need to become an Antwerp wholesaler.

The jeweller needs access to one.

That allows the business to keep its customer experience local while making its sourcing network international.

For Dalila Diamonds, that is the opportunity.

A UK retailer may need:

a GIA-certified 1.20 ct Oval for a bespoke proposal ring.

Another may need:

twenty calibrated Round Brilliants for halo production.

Another may require:

matched Pear-shaped side stones.

Another may want:

a 2.50 ct Emerald Cut for a private client.

The specification changes.

The sourcing principle remains the same:

Hatton Garden can deliver the jewellery experience. Antwerp can expand the diamond choice. The strongest UK retailers know when to use each.