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.

Petra De Beers
De Beers Buys Petra Blue Diamonds for $40M

De Beers has purchased five rough blue diamonds from Petra Diamonds for more than $40 million in[…]

rare blue diamonds
Rare Rough Blue Diamonds

Recovered from the famous Cullinan Mine in South Africa, these blue diamonds are among the world’s most[…]

A 20.08-carat Type IIb blue diamond recovered at Cullinan.
Petra to sell blue diamonds recovered at Cullinan

Petra Diamonds (LON: PDL) announced the launching of a special tender process for the Letlapa Tala Collection,[…]

blue diamonds Cullinan
Petra Diamonds recovers five rare large high-quality blue diamonds at Cullinan Mine

South Africa’s Petra Diamonds, which put itself up for sale in June, announced on Wednesday it had[…]

A fancy vivid pink Diamond and a fancy vivid blue diamond
Three exceptional diamonds sell at auctions.

The first a heart shaped gem was a 5.04 carat fancy vivid blue heart modified brilliant cut[…]

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