Resources & Guides
Resources & Guides
From understanding grading reports to selling your diamond safely, our resource library covers everything you need to make confident decisions about natural diamonds.
Premium B2B Diamond Supplier in Belgium
Dalila Diamonds is a premium B2B diamond supplier based in Antwerp, Belgium — the historic and globally recognized heart of the international diamond trade.</p>
Sell Your Diamond Safely
Sell your diamond safely with Dalila Diamonds in Belgium — trusted buyer offering secure transactions and fair value.
The Elongated Cushion Cut Diamond: A Complete Buyer’s Guide from Dalila Diamonds
Few diamond shapes manage to feel both timeless and quietly modern at the same time. The elongated cushion cut is one of the rare exceptions. At Dalila Diamonds
Diamond Grading Report Guide for Natural Diamond Buyers
Understand diamond grading reports, verify report numbers, compare the 4Cs, proportions and fluorescence, and check a natural diamond before buying.
Diamond Quality Chart for Natural Diamond Buyers
Compare diamond cut, colour, clarity and carat grades. Use this natural diamond quality chart to understand the 4Cs and choose the right balance.
Diamond Fluorescence Guide for Natural Diamond Buyers
Understand diamond fluorescence, blue fluorescence and strength levels. Learn how fluorescence can affect appearance and price before buying a natural diamond.
Diamond Culet Guide for Natural Diamond Buyers
Learn what a diamond culet is, how GIA and HRD describe culet size, and how pointed, open, large or chipped culets can affect appearance and buying.
Diamond Girdle Guide for Natural Diamond Buyers
Learn what a diamond girdle is, how GIA and HRD grade its thickness, and how thin or thick girdles affect durability, size, setting and value.
Diamond Size Chart: Carat-to-MM Guide by Shape
Use Dalila’s diamond size chart to compare approximate carat-to-mm measurements for round, oval, pear, cushion, emerald and other natural diamonds.
Natural vs Lab-Grown Diamonds: What Is the Difference?
Compare natural and lab-grown diamonds by origin, appearance, price, grading, rarity, resale and sourcing to decide which diamond suits your priorities.
Diamond Valuation Calculator: What Is My Diamond Worth?
Use our diamond valuation calculator to find out what your natural diamond may be worth. Submit its report and photos for a private expert valuation.
Where Is the Best Place to Sell a Diamond Ring?
Compare diamond buyers, jewellers, auctions and consignment. Learn where to sell a natural diamond ring securely and request a private Antwerp valuation.
How to Sell a Diamond Ring Safely: A Step-by-Step Guide
Learn how to sell a diamond ring safely: verify its report, check the buyer, protect the handover and confirm payment before releasing your ring.
Can You Sell a Diamond Without a Certificate?
Yes, you can sell a natural diamond without its certificate. Learn what buyers check, whether you need a new report and request an Antwerp evaluation.
Diamond Appraisal in Antwerp: Cost, Process and Options
Learn how diamond appraisal works in Antwerp, what it may cost and whether you need an appraisal, grading report or purchase offer for your diamond.