The Diamond Certification Laboratory of Australia (DCLA) reaffirms its commitment to providing precise and comprehensive grading for all diamonds, including laboratory-grown stones.
Sotheby’s New York is set to host an extraordinary High Jewellery auction on 13 June, featuring 110 remarkable lots
GIA Moves to Redefine Lab-Grown Diamond Grading
Jewelers based in Dubai have set a world record with a diamond-stud necklace that’s 108 meters long.
The difference in diamond grading between laboratories like GIA (Gemological Institute of America) and DCLA (Diamond Certification Laboratory of Australia) can occur due to the subjective nature of diamond grading and variations in grading standards, tools, and methodology. Here’s a detailed explanation of why this happens, using your example of a diamond graded GIA E VS2 vs DCLA F SI1:
Graff has opened its biggest store in North America, at the Fontainebleau Las Vegas luxury resort and casino.
A 35.09-carat sapphire yesterday (27 May) set a new world record for the highest per-carat price paid at auction.
A fancy intense 3.03-carat pink diamond is among the highlights at Phillips’ New York Jewels Auction next month with a $1.2m to $1.6m estimate.
The Blue Belle sapphire and diamond necklace is to lead a Christie’s New York sale next month with an estimate of $8m to $12m.
Petra Diamonds is to begin discussions with financiers on refinancing a $273m bond that matures in March next year amid scepticism that the company will survive the event.