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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.

‘The Mellon Blue is one of the finest coloured stones
November 9, 2025
‘Mellon Blue’ Diamond Expected to Fetch Up to $30 Million at Geneva Auction

Geneva’s prestigious November auction season is set to dazzle the world once again, with the spotlight firmly[…]

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DCLA is Australia’s internationally accredited diamond grading laboratory, the trusted source for elite diamond certification, education, and resale services.

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