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 mulls selling Williamson mine

South Africa’s Petra Diamonds is considering selling its Williamson mine in Tanzania, even as it continues to[…]

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 Diamonds finds 342-carat rough at Cullinan mine

South Africa’s Petra Diamonds has recovered a 342.92-carat Type IIa white rough at its iconic Cullinan mine.[…]

Blue rough diamond fetches $40 million

Petra Diamonds Ltd. sold a 39.3-carat blue gem for more than $40 million, making it one of[…]

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[…]

39.34 carat blue diamond recovered
Petra finds 39-carat blue diamond at Cullinan mine

South Africa’s Petra Diamonds has found yet another big rock at its iconic Cullinan mine, a 39.34[…]

299.3-carat, type 11a, white gem-quality diamond
Petra sells 299 carat diamond for $12.18 million

Petra Diamonds has sold a 299.3 carat diamond recovered in January at its iconic Cullinan mine, in[…]

Petra Diamond’s Finsch mine in South Africa
Petra Diamonds’ investors back restructuring

Struggling Petra Diamonds (LON: PDL) said on Wednesday its investors have approved plans to restructure the business,[…]

Botswana Diamonds
Botswana Diamonds acquires Sekaka from embattled Petra

Botswana Diamonds (LON:BOD) said on Monday it had completed the acquisition of Sekaka, the exploration vehicle that[…]

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[…]

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