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 to Hold Tender of 87 Fancy-Colored Diamonds

Rio Tinto has launched the Beyond Rare Tender, an inaugural collection of 48 lots of polished fancy-colored

Rio Tinto unveils Argyle Rose heirloom piece

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

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 Production to Slump as Diavik Dries Up

Rio Tinto has forecast a sharp drop in rough-diamond output for next year as the Diavik mine[…]

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 Buys Remaining Share of Diavik Diamond Mine

Rio Tinto, the world’s second-largest miner, just became the sole owner of the Diavik diamond mine in[…]

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[…]

Argyle tender pink diamonds
Kunming partners with Rio Tinto for Argyle diamonds

The world’s second-largest miner, Rio Tinto (ASX, LON, NYSE: RIO), announced that Hong Kong-based coloured diamond specialist[…]

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