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.

$28m Emergency Funding as Lucara Sales Dip

Lucara is drawing down up to $28m in emergency funding for its underground mine expansion after reporting[…]

Al Capone’s Diamond-Studded Patek Philippe Pocket Watch Heads to Sotheby’s Auction

A dazzling piece of underworld history is heading to auction: Al Capone’s custom diamond-studded pocket watch, crafted[…]

Graff and Moussaieff in UK Rich List

Laurence Graff and his son Francois are ranked 44th in the newly-published Sunday Times Rich List 2025[…]

No Golconda Blue, but Christie’s still Raises $72m

Christie's Geneva sold 100 per cent of lots at its Magnificent Jewels yesterday (14 May) and raised[…]

Tanzania’s Williamson Diamonds goes totally Pink

London-listed and South Africa-active Petra Diamonds has sold its entire shareholding in Williamson Diamonds of Tanzania, plus[…]

Sierra Leone’s largest diamond miner shuts down, laying off more than 1,000 workers

Koidu Limited, Sierra Leone’s largest diamond producer, has halted operations and laid off nearly its entire local[…]

Rare 10.3-Carat ‘Mediterranean Blue’ Diamond Sells for $21.5 Million at Sotheby’s Geneva Auction

rare 10.3-carat fancy vivid blue diamond, known as The Mediterranean Blue, has sold for an astonishing[…]

$3.3m Loss as Brilliant Earth Customers Spend Less

Brilliant Earth, the US-based "ethical jeweler", reported a $3.3m net loss for the first quarter of 2025,[…]

De Beers Shuts Down Lightbox Lab-Grown Diamond Brand to Refocus on Natural Diamonds

Element Six will centralise its chemical vapour deposition (CVD) production in Oregon

Rare 10-Carat Blue Diamond Could Fetch $20 Million at Sotheby’s Geneva Auction

A remarkable 10-carat blue diamond, dubbed the “Mediterranean Blue Diamond,” is expected to achieve up to $20[…]

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