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.

An exceptionally rare 8.03-carat blue diamond is expected to attract significant attention when it goes to auction in London
An exceptionally rare 8.03 carat blue diamond is expected to attract significant attention

An exceptionally rare 8.03-carat blue diamond is expected to attract significant attention when it goes to auction[…]

Few diamonds capture the imagination quite like a natural Fancy Vivid blue diamond. In 2023, one of the most remarkable examples in recent years the 11.28-carat Infinite Blue attracted worldwide attention when Sotheby’s Hong Kong offered it as a single-lot auction.
The Infinite Blue: The Extraordinary Story Behind a $25 Million Blue Diamond

Rare blue diamond from South Africa’s Cullinan Mine demonstrates why colour, origin and rarity can transform a[…]

A 27.64 carat Fancy Vivid Blue heart shaped diamond
The Heart of Eternity Diamond: The Extraordinary Blue Diamond That Could Redefine Rarity

Among the world’s most exceptional gemstones, few diamonds capture the imagination quite like the Heart of Eternity[…]

A ring bearing a marquise modified brilliant-cut, 5.04-carat, fancy-vivid-blue, VVS2
Two Blue Diamonds Achieve More Than $8 Million Each at Christie’s Magnificent Jewels Auction

Rare coloured diamonds once again demonstrated their extraordinary appeal, with two exceptional blue diamonds selling for more[…]

(left) the Azure Blue and (right) 5.04-carat fancy vivid blue.
DCLA News of the Day

Two Exceptional Blue Diamonds Headline Christie’s New York Auction

A rare 6.03 carat fancy vivid blue internally flawless diamond
6.03 Carat Internally Flawless Blue Diamond Unsold at Major Geneva Auction

A rare 6.03 carat fancy vivid blue internally flawless diamond failed to secure a buyer at the[…]

The 31.86-carat 'Desert Rose' fancy vivid orangy-pink diamond
31-Carat ‘Desert Rose’ Diamond Expected to Fetch $7 Million at Abu Dhabi Auction

Sotheby’s is set to showcase one of the world’s rarest diamonds during its upcoming series of luxury[…]

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[…]

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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