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.

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[…]

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

What Determines Pearl Value Overall
Types of Pearls and Their Different Values

Pearls have fascinated jewellers and collectors for centuries, not only for their natural beauty but also for[…]

(left) the Azure Blue and (right) 5.04-carat fancy vivid blue.
DCLA News of the Day

Two Exceptional Blue Diamonds Headline Christie’s New York Auction

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 Two Matilda Historic Stream Family Collection Heads to Christie’s Auction
Historic Stream Family Collection Heads to Christie’s Auction

A remarkable private collection spanning generations of American collectors is set to headline a major auction at[…]

Pandora Claims Its Lab-Grown Carbon Footprint Is 90% Lower Than Natural
The Natural Diamond Council has strongly rejected recent claims by Pandora

The Natural Diamond Council has strongly rejected recent claims by Pandora that lab-grown diamonds carry a carbon[…]

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