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
Diavik and First Nation sign closure agreement as diamond mine winds down

The Tłı̨chǫ government and Diavik diamond mine have signed a formal closure agreement as the Northwest Territories[…]

$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 Diavik Helios a 74.48 carat Fancy yellow diamond
Rio Tinto to Sell Final Argyle Specials

Rio Tinto will launch a tender of large rough diamonds, including the last of its special stones[…]

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