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 to sell 32-ct Pink Diamond from Re-opened Mine

Petra is to offer a 32.32-carat pink diamond at its first tender of goods from the Williamson[…]

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[…]

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