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.

Ekati diamonds
Rio Tinto’s Final Diamond: The Closure of Diavik Marks the End of an Era

Rio Tinto has officially extracted the last diamond from its Diavik mine in Canada’s Northwest Territories, bringing[…]

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 Diavik Mine Slides into the Red

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

Rio Tinto to spend $40m on Diavik diamond mine expansion

Rio Tinto is going ahead with a $40 million expansion of its iconic Diavik diamond mine in[…]

Rio Tinto’s Unique $1.24m Midnight Sun Diamond Ring

Pink and yellow diamonds from two iconic Rio Tinto mines – Argyle and Diavik – have been[…]

Rio Tinto Launches Business for Argyle Pinks

Rio Tinto has debuted a new strategy that will enable it to “protect the provenance” of its[…]

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