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 41.82-carat Type IIb blue diamond
Petra Recovers Huge 41.82-ct Blue Diamond

Petra Diamonds today announced the recovery of a huge 41.82-carat Type IIb blue diamond at its Cullinan[…]

Petra to Refinance as Sales Slide by a Third

Petra Diamonds has announced plans for a major refinancing program - together with a 33 per cent[…]

Petra Diamonds hits all-time low as cash burn continues

Petra Diamonds is to begin discussions with financiers on refinancing a $273m bond that matures in March[…]

Duffy resigns as Petra CEO, interim revenue knocked by market weakness

Independent mining group Petra Diamonds, which owns and operates diamond mines in South Africa

Petra Sales Up, Prices Down

Petra Diamonds reported increased sales for FY 2024, despite weak market conditions.

Petra Diamonds focusing on refinancing $250-million loan notes

Petra Diamonds focusing on refinancing $250-million loan notes

Sotheby’s Rakes In $57.5M for De Beers Blue

 A record blue diamond co-owned by De Beers far outstripped its presale estimate in a stand-alone sale[…]

Petra Diamonds in Partnership Deal With Stargems on White And Blue Diamonds

Petra Diamonds Limited has sold a 342.92 carat Type IIa white diamond and an 18.30 carat Type[…]

Petra puts “exceptional” 39-carat blue diamond up for sale

South Africa’s Petra Diamonds has put a 39.34 carat Type IIb gem recovered at its iconic Cullinan[…]

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