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 Diamonds Cullinan Diamond Mine
Petra Diamonds shares fall on debt for equity deal

Petra Diamonds has abandoned plans to sell the business in favour of a debt-for-equity restructuring, it said[…]

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[…]

Petra Blue Diamond
Petra Sells 20ct. Blue Diamond for $15M

The 20.08-carat blue Cullinan diamond.

Petra 20.08 carat blue diamond
Petra finds 20.08-carat blue diamond at flagship Cullinan mine

RECOVERY DEMONSTRATES CULLINAN REMAINS A SIGNIFICANT SOURCE OF RARE BLUE DIAMONDS

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