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’[…]

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[…]

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

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

Colored Diamonds and Jadeite to Shine at Sotheby’s Hong Kong

Colored Diamonds and Jadeite to Shine at Sotheby’s Hong Kong

A fancy vivid pink Diamond and a fancy vivid blue diamond
Three exceptional diamonds sell at auctions.

The first a heart shaped gem was a 5.04 carat fancy vivid blue heart modified brilliant cut[…]

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