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.

Record Watch and Jewellery Sales Mark Strong 2025 at Sotheby’s

Sotheby’s has reported a standout performance in 2025, with watch and jewellery sales delivering robust year-on-year growth.

The Desert Rose diamond
32ct ‘Desert Rose’ Diamond Sets Auction Record in Abu Dhabi

A remarkable 32-carat fancy vivid orangy-pink diamond has achieved a new auction record at Sotheby’s inaugural Collectors’[…]

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[…]

Al Capone’s Diamond-Studded Patek Philippe Pocket Watch Heads to Sotheby’s Auction

A dazzling piece of underworld history is heading to auction: Al Capone’s custom diamond-studded pocket watch, crafted[…]

The 10.3 Carat ‘Mediterranean Blue’ Diamond Could

Fancy vivid blue diamonds exceeding 10 carats are among the rarest gemstones in the world, and Sotheby’s[…]

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

New York Jewelry Auctions Top $70 Million In June, Led By Diamonds

New York Jewelry Auctions Top $70 Million In June, Led By Diamonds

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