16.08 ct Pink diamond
This vivid pink diamond could break records at auction. The 16.08 ct is featured at the Christie’s[…]
The Blue Moon diamond
Sotheby’s Magnificent Jewels auction in Geneva this November will showcase ‘The Blue Moon’, diamond. The exceptional 12.03[…]
IDC Diamond Grading Laboratories use cold laser, this is why.
It is important to understand there are two very different categories of lasers used for diamond inscription;[…]
$19.3m for the 357 carat rough diamond
Gem Diamonds LTD has sold the 357 carat exceptional white diamond recovered from the Letšeng mine for[…]
De Beers cuts rough diamond prices and sight
De Beers which produces thirty percent of world rough diamonds has cut prices by 10 percent for[…]
De Beers could cut diamond prices by nine percent
The world’s largest diamond producer of rough diamonds by value, De Beers has reduced prices for its[…]
Lucara recovers more exceptional diamonds
Lucara’s Karowe Diamond Mine in Botswana has recovered of a number of exceptional diamonds. The mine is[…]
GIA Bans Cristy Gems for Fraudulent Report Inscriptions
Cristy Gems can no longer submit diamonds to the GIA for grading. The laboratory suspects that the[…]
ISO International Standard, welcomed by CIBJO
All laboratories must have DIAMOND on the report or certificate. DIAMOND is used exclusively for diamonds of[…]
De Beers sightholders refuse boxes Update
De Beers’s the world’s largest rough producer felt the pain, when only $300 million of the $450[…]