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.

$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[…]

According to Pandora, the new carbon footprint reporting is being introduced in response to increasing consumer expectations to sustainability
Lab-Grown Diamonds Face Growing Scrutiny Over Massive Energy Use and Carbon Footprint

While jewellery retailer Pandora has introduced carbon footprint labelling for its laboratory-grown diamonds in response to growing[…]

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[…]

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