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.

Gemologists Uncover the Secrets Behind the Rarity of Red Diamonds

Red diamonds remain one of nature’s most elusive and captivating treasures. With only 24 specimens over one[…]

One of the World’s Rarest Red Diamonds Goes on Display

The Winston Red, an extraordinary and exceptionally rare diamond, is now on show to the public —[…]

17.44 carat diamond found at the Verkhne-Munskoye deposit
Alrosa finds first large coloured diamond at new Yakutia mine

Russia’s Alrosa, the world’s top diamond miner by output, has found a 17.4-carat bright yellow gem-quality precious rock at[…]

Petra 20.08 carat blue diamond
Petra finds 20.08-carat blue diamond at flagship Cullinan mine

RECOVERY DEMONSTRATES CULLINAN REMAINS A SIGNIFICANT SOURCE OF RARE BLUE DIAMONDS

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