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.

Blue rough diamond fetches $40 million

Petra Diamonds Ltd. sold a 39.3-carat blue gem for more than $40 million, making it one of[…]

Petra puts “exceptional” 39-carat blue diamond up for sale

South Africa’s Petra Diamonds has put a 39.34 carat Type IIb gem recovered at its iconic Cullinan[…]

Petra De Beers
De Beers Buys Petra Blue Diamonds for $40M

De Beers has purchased five rough blue diamonds from Petra Diamonds for more than $40 million in[…]

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[…]

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[…]

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[…]

Blue diamonds
Blue diamonds may be blue because of where they are formed

Blue Diamonds are the world’s most expensive diamonds

Latest Comments

No comments to show.