History of Diamond Grading in Australia

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Explore DCLA’s legacy as Australia’s leading diamond authority. Learn our history, meet the founders, and discover our unmatched grading expertise.

pear-shaped, E-color, VVS2-clarity diamonds — of 3.10 and 3.16-carats
Sotheby’s Hong Kong Jewellery Sale Achieves HKD 58.3 Million ($7.4 Million)

A striking black diamond ring emerged as one of the standout performers at Sotheby’s recent Fine Jewellery[…]

“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[…]

The flawless D-color unmounted Jwaneng 28.88 - cut from a 114.83-carat rough recovered at Botswana's Jwaneng mine
Diamond Debut for De Beers and Sotheby’s Collaboration

The sale of the Jwaneng 28.88 diamond later this month marks the start of a collaboration between[…]

3.63-ct “Salt and Pepper” Pink Fails to Sell

The highlight of Sotheby's Fine Jewelry sale in New York - a rare 3.63-carat fancy vivid purple-pink[…]

Napoleon's Diamond Brooch
Napoleon’s Diamond Brooch Leads Sotheby’s Sale

Treasures that once belonged to Napoleon Bonaparte are to be offered for sale by Sotheby's Geneva on[…]

Sotheby's Paris
Best Jewelry and Watch Results at Sotheby’s Paris for Seven Years

Sotheby's sales of fine jewelry and watches in Paris raised over $10.9m (EUR 9.3m) last week -[…]

Unique Patek Philippe Sells for $4.3m

A unique Patek Philippe watch sold for $4.3m at Sotheby's New York - the highest price realized[…]

10 Carat Burmese Ruby Ring Sells for USD $5.5 Million at Sotheby’s Auction

A stunning 10.33 carat Burmese ruby fetched an impressive $5.5 million

Flawless 53 carat Diamond Could Sell for $5m

53.04 carat D color, internally flawless diamond

Sotheby’s Jewelry Watch Auction Sells Out in Under an Hour

Sotheby’s Jewelry Watch Auction Sells Out in Under an Hour

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