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

Rio Tinto unveils Argyle Rose heirloom piece

Rio Tinto has unveiled the latest heirloom piece of Argyle Pink Diamonds jewellery, featuring one of the[…]

Investor uncertainty in challenging market

An Investor’s Best Friend Pink diamonds provide strong stable growth, and the potential for long term outsized gains.

Tiffany Buys Some of a Legendary Diamond Mine’s Last Finds

The new Tiffany Collection comprises 35 gems, including an unusual red stone, from the Argyle Diamond Mine[…]

Rio Tinto Launches Business for Argyle Pinks

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

Final Argyle Pink Tender Sees Record Result

Rio Tinto achieved record-breaking figures at its 2021 Argyle Pink Diamonds Tender, with prices strong amid dwindling[…]

Rio Tinto dazzles in Antwerp with its finest Argyle pink, red and blue diamonds

Rio Tinto’s final Argyle Pink Diamonds Tender collection of rare pink, red, blue and violet diamonds is[…]

argyle heroes tender
Rio Tinto reveals its final showcase of Argyle pink, red and blue diamonds

Rio Tinto has unveiled a preview of its final showcase of rare Argyle pink, red and blue[…]

Rio Tinto Argyle diamonds
Argyle Diamond Mine Closure: The End of a Sparkling Era

Pink and red diamonds are among the most special gems in the world. The value of these[…]

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