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.

Cullinan Diamond and the Great Star of Africa
The 24 Most Important Diamonds in History

Size, History, Master Cutters and Present Locations Diamonds have fascinated humanity for centuries. Some became symbols of[…]

The global diamond industry has suffered another setback, with Petra Diamonds announcing a business rescue plan for its financially distressed Finsch Mine in South Africa.
Another Diamond Mine in Trouble, But Signs of Recovery Are Emerging

The global diamond industry has suffered another setback, with Petra Diamonds announcing a business rescue plan for[…]

cushion-shaped 32.20-carat fancy intense yellow diamond of VS2 clarity
Bonhams to Offer 32.20 Carat Fancy Intense Yellow Diamond in New York Auction

Bonhams to Offer 32.20 Carat Fancy Intense Yellow Diamond in New York Auction a cushion-shaped 32.20-carat fancy[…]

Botswana and Angola Governments Join WFDB
Botswana and Angola Governments Join WFDB as Industry Seeks Closer Producer Links

The governments of Botswana and Angola have officially become affiliated members of the World Federation of Diamond[…]

The Argyle Phoenix Redefines Rarity at Auction
The Argyle Phoenix Sets Historic Benchmark as Antwerp Trade Rebounds

At the 2024 Phillips Geneva Auction, the extraordinary Argyle Phoenix Diamond achieved a landmark result, selling to[…]

Angola’s Rough Diamond Production Climbs in 2025 as Market Pressures Persist
Angola’s Rough Diamond Production Climbs in 2025 as Market Pressures Persist

Angola’s diamond sector delivered a stronger-than-expected performance in 2025, with rough-diamond production rising by 8% year-on-year despite[…]

Big Bang Impact One Million
Hublot Unveils a Diamond Masterpiece: Big Bang Impact One Million

Renowned for its million-dollar horological statements, Hublot once again elevates the intersection of haute horlogerie and high[…]

Pink Star diamond
World Diamond Day: The Most Valuable Diamonds Ever Sold at Auction

In recognition of World Diamond Day, we reflect on some of the most extraordinary diamonds ever offered[…]

Jacob and Co
Godfather of All Watches: $1.2m Tribute to Mafia Boss

Jacob & Co.'s Opera Godfather Baguette is more than a luxury watch set with almost 1,100 diamonds.

More than two decades ago, DCLA identified that advances in diamond-growing technology
Lab-Grown Diamonds: A Structural Disruption to the Traditional Diamond Industry

The global diamond industry is undergoing one of the most profound transformations in its modern history. The[…]

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