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.

rare blue diamonds
Rare Rough Blue Diamonds

Recovered from the famous Cullinan Mine in South Africa, these blue diamonds are among the world’s most[…]

A 20.08-carat Type IIb blue diamond recovered at Cullinan.
Petra to sell blue diamonds recovered at Cullinan

Petra Diamonds (LON: PDL) announced the launching of a special tender process for the Letlapa Tala Collection,[…]

blue diamonds Cullinan
Petra Diamonds recovers five rare large high-quality blue diamonds at Cullinan Mine

South Africa’s Petra Diamonds, which put itself up for sale in June, announced on Wednesday it had[…]

A fancy vivid pink Diamond and a fancy vivid blue diamond
Three exceptional diamonds sell at auctions.

The first a heart shaped gem was a 5.04 carat fancy vivid blue heart modified brilliant cut[…]

A fancy vivid pink Diamond and a fancy vivid blue diamond
Two Fancy Colored Heart Shaped Diamonds

Two hearts, one blue, the other pink, will appear at Sotheby’s Hong Kong Magnificent Jewels auction as[…]

Bonhams Van Cleef Blue Diamond Ring
$1.2M for Van Cleef Ring Target At Bonhams

Bonhams To Auction Van Cleef Blue Diamond Ring

Botswana Blue Diamond
Botswana unveils rare 20 carat blue diamond

"The 20.46 carat oval shape fancy precious rock has been named "The Okavango Blue" in honour of[…]

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