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.

Cullinan Diamond and the Great Star of Africa
The 24 Most Important Diamonds in History

Size, History, Master Cutters and Present Locations Diamonds have fascinated humanity for centuries. Some became symbols of[…]

Art Deco Cartier jewelry that once belonged to 1920's "supermodel" Phyllis Frank
Sotheby’s Sells Jewels of “First Supermodel”

Sotheby’s London is selling a private collection of rare Art Deco Cartier jewelry that once belonged to[…]

The global diamond industry has suffered another setback, with Petra Diamonds announcing a business rescue plan for its financially distressed Finsch Mine in South Africa.
Another Diamond Mine in Trouble, But Signs of Recovery Are Emerging

The global diamond industry has suffered another setback, with Petra Diamonds announcing a business rescue plan for[…]

cushion-shaped 32.20-carat fancy intense yellow diamond of VS2 clarity
Bonhams to Offer 32.20 Carat Fancy Intense Yellow Diamond in New York Auction

Bonhams to Offer 32.20 Carat Fancy Intense Yellow Diamond in New York Auction a cushion-shaped 32.20-carat fancy[…]

GIA Acquires 30% Stake in Tracr as Diamond Provenance Takes Centre Stage
GIA Acquires 30% Stake in Tracr as Diamond Provenance Takes Centre Stage

The global diamond industry has taken another significant step towards greater transparency and traceability, with the Gemological[…]

$25.6m Jadeite Necklace
$25.6m Jadeite Necklace Just Misses World Record

A green jadeite necklace sold for HKD 200.2 million ($25.6 million) at Christie's Hong Kong, narrowly missing[…]

BR-05 36mm Blue Diamond Eagle
Bell & Ross Takes Flight with the New BR-05 36mm Blue Diamond Eagle

Swiss watchmaker Bell & Ross has launched the striking new BR-05 36mm Blue Diamond Eagle, combining aviation[…]

Why Shape Drives Price Differences
Diamond Shapes and the Impact of Rough Recovery on Pricing

In the diamond industry, shape is far more than an aesthetic choice. It plays a direct role[…]

A Harry Winston ring centering a cushion-cut, 7.08-carat Colombian emerald
30.20ct Fancy Intense Yellow Diamond to Headline Bonhams New York Auction

This ring features a cushion-cut, 8.23-carat, faint-pink, internally flawless diamond

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