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.

20.46 carat Okavango Blue Diamond
Messika Showcases Botswana’s Extraordinary Okavango Blue Diamond in One of the World’s Rarest High Jewellery Creations

French high jewellery house Messika has unveiled an exceptional necklace featuring one of the rarest natural diamonds[…]

The Rarity Behind Fancy Colour Diamonds
Why Fancy Colour Diamonds Are Becoming the New Frontier of Natural Diamond Luxury

In 2016, diamond dealer and former banker Chopra received advice that would shape her future direction. 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 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 Azure Blue diamond
Christie’s to Auction the Azure Blue, the Largest Fancy Blue Diamond Ever Offered

Christie's has announced two exceptional natural blue diamonds for its upcoming Magnificent Jewels Auction sale at Rockefeller[…]

“The Ocean Dream” Returns to Christie’s
Geneva Set to Dazzle as Rare Blue Diamonds Headline May Auctions

The global diamond market will turn its attention to Sotheby's and Christie's this May, as two exceptional[…]

Pink Star diamond
World Diamond Day: The Most Valuable Diamonds Ever Sold at Auction

In recognition of World Diamond Day, we reflect on some of the most extraordinary diamonds ever offered[…]

The Farnese Blue
The Farnese Blue Diamond: Three Centuries Through Europe’s Royal Courts

The Farnese Blue occupies a rare position among historic natural diamonds. It is not merely a gemstone[…]

The 9.51 carat Mellon Blue Fancy Vivid Blue pear shaped cut diamond
Rare ‘Mellon Blue’ Diamond Fetches $25.5 Million at Christie’s Geneva Market Reflects Shifting Demand for Coloured Diamonds

The legendary Mellon Blue Diamond a 9.51-carat fancy vivid blue, internally flawless gem sold for $25.5 million[…]

‘The Mellon Blue is one of the finest coloured stones
‘Mellon Blue’ Diamond Expected to Fetch Up to $30 Million at Geneva Auction

Geneva’s prestigious November auction season is set to dazzle the world once again, with the spotlight firmly[…]

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