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.

Sorting a parcel of rough diamonds
Angola Makes a Bid for De Beers, Reshaping the Global Diamond Landscape

Angola has signalled its intention to buy back the 85% stake in De Beers currently held by[…]

pink diamond ring
6.17-ct Fancy Pink could Fetch $1.8m

A 6.17-carat fancy pink diamond is expected to fetch up to $1.8m in an online auction.

Rainbow-Diamond-Collection
Iconic Rainbow Collection Sells Just Above Low Estimate at Christie’s Geneva

The legendary Rainbow Collection more than 300 fancy coloured diamonds amassed over four decades by the late[…]

Vanderbilt Sapphire Brooch
Vanderbilt Sapphire Brooch Sells for $3.6 Million at Phillips Geneva

The magnificent 42.68-carat Vanderbilt Sapphire, a gem steeped in the legacy of the Vanderbilt shipping and railroad[…]

The 9.51 carat Mellon Blue Fancy Vivid Blue pear shaped cut diamond
Rare ‘Mellon Blue’ Diamond Fetches $25.5 Million at Christie’s Geneva Market Reflects Shifting Demand for Coloured Diamonds

The legendary Mellon Blue Diamond a 9.51-carat fancy vivid blue, internally flawless gem sold for $25.5 million[…]

Sorting a parcel of rough diamonds
Botswana’s Strategic De Beers Takeover Could Redefine Global Diamond Industry

Botswana’s move to secure majority control of De Beers, the world’s most iconic diamond company, marks a[…]

‘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

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

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