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.

Rio Tinto ends diamond era with historic final auction

Rio Tinto is auctioning its final collection of rare diamonds from its closed Argyle mine in Australia and the soon-to-shutter Diavik operation in

$127m Diamond Loss for Rio Tinto

Rio Tinto reported a $127m loss for 2024 from its Diavik diamond mine, in Canada, as weak[…]

Rio Tinto’s Beyond Rare diamond tender delivers strong results

The auction, which featured some of the world's most coveted natural fancy coloured diamonds, also showcased the[…]

Rio Tinto’s Diavik Mine Slides into the Red

Rio Tinto today (31 July) reported a slump in half-yearly sales and production as its Diavik diamond[…]

Diamond Leader De Beers Will Be Sold If BHP Acquires Anglo American

BHP’s share-swap take over bid for arch-rival Anglo American to create a $185 billion mining giant will[…]

Rio Tinto Workers Killed en Route to Diavik Diamond Mine

A number of remote employees at Rio Tinto’s Diavik diamond mine in Canada died Tuesday after the[…]

Rio Tinto Output Dwindles as Mine Depletes

Rio Tinto’s diamond production fell in 2023 following the closure of portions of its Diavik mine in[…]

Rio Tinto Delighted with Argyle and Diavik Tender

Rio Tinto Delighted with Argyle and Diavik Pink Diamond Tender

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