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.

‘The Mellon Blue is one of the finest coloured stones
‘Mellon Blue’ Diamond Expected to Fetch Up to $30 Million at Geneva Auction

Geneva’s prestigious November auction season is set to dazzle the world once again, with the spotlight firmly[…]

Florentine Diamond
Legendary 137-Carat Florentine Diamond of the Habsburgs Rediscovered in Canadian Bank Vault After a Century

The world of fine jewellery is abuzz with the remarkable discovery of the legendary “Florentine” diamond a[…]

Sothebys diamond necklace
Sotheby’s Geneva Showcases Exceptional Provenance and Record-Breaking Natural Diamonds

At the forefront of the Sotheby’s High Jewellery Sale is The Glowing Rose, an extraordinary 10.08-carat Fancy[…]

Rockefeller Kashmir Sapphire could Fetch $2.5m
Rockefeller Kashmir Sapphire could Fetch $2.5m

The Rockefeller Kashmir, an Art Deco ring that belonged to the late John D. Rockefeller 3rd and[…]

The 31.86-carat 'Desert Rose' fancy vivid orangy-pink diamond
31-Carat ‘Desert Rose’ Diamond Expected to Fetch $7 Million at Abu Dhabi Auction

Sotheby’s is set to showcase one of the world’s rarest diamonds during its upcoming series of luxury[…]

Five More Arrests over Louvre Heist

Five more suspects were arrested on Wednesday night (29 October) in connection with the Louvre heist.

De Beers sold $700m worth of rough diamonds
De Beers Rough Sales Triple in Q3

De Beers sold $700m worth of rough diamonds across its two sights in the three months to[…]

Miner,Holding,Gold,Nugget,,Point,Focus,On,The,Gemstone.,Mineral
Alrosa to Extract Gold as Byproduct of Diamond Mining

Alrosa plans to extract gold from its diamond-bearing alluvial deposits in Mirny, in Russia's Sakha Republic.

Swiss watch exports
Post-Tariff Slump in US Imports of Swiss Watches

Swiss watch exports to the US plunged by more than 55 per cent in September, in what[…]

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[…]

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