History of Diamond Grading in Australia

Blogs & News

Explore DCLA’s legacy as Australia’s leading diamond authority. Learn our history, meet the founders, and discover our unmatched grading expertise.

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’s sightholders.
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[…]

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