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.

$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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