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.

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[…]

5.02 ct. fancy intense pink diamond
10 Carat Blue Diamond Expected to Achieve Over $6 Million at Sotheby’s High Jewelry Auction

A rare 10.02 carat fancy intense blue diamond is set to become the centrepiece of Sotheby’s highly[…]

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[…]

“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[…]

At the very top end of the diamond market, traditional pricing frameworks cease to function. Per-carat benchmarks, standard price lists, and even established scarcity models lose relevance when value is driven not by comparables, but by the willingness of elite buyers to secure assets of extreme rarity.
For the World’s Most Exceptional Diamonds, Price Lists Simply Don’t Apply

A new Natural Diamond Council report reveals why record-breaking diamonds operate in a market beyond conventional valuation

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[…]

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[…]

See The World’s Rarest Diamonds, Worth a Total of $100 million, in Abu Dhabi

The exhibition is incredibly exciting for the simple reason that to purely just have eight diamonds of[…]

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