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 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[…]

With global diamond output declining and high-quality stones becoming increasingly scarce
ALROSA Shifts Strategy as Investment Diamond Sales Surge 40%

Russia’s state-backed diamond giant, ALROSA, has reported a sharp rise in demand for investment-grade diamonds, with sales[…]

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.

Botswana prepares to take an even bigger gamble on diamonds
DCLA News | Botswana Doubles Down as Diamond Supply Tightens and Demand Strengthens

The diamond pendant worn by Bogolo Kenewendo at a recent Cape Town mining conference was more than[…]

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[…]

26.36 carat round brilliant-cut white diamond
26.36 Carat White Diamond Expected to Exceed $1 Million at London Jewellery Auction

A rare 26.36 carat round brilliant-cut white diamond is set to headline a major jewellery auction in[…]

Exclusive diamonds and record auction prices
For the Market’s Most Exclusive Diamonds, Price Lists No Longer Apply

The Record-Breaking Diamonds report from the Natural Diamond Council (NDC) explores this ultra-high-end world, analysing the largest[…]

“Conflict diamonds,” often referred to as “blood diamonds,” are rough diamonds mined in areas controlled by rebel movements or their allies and sold to finance military activities against legitimate governments.
India Seeks to Strengthen Global Diamond Governance

Competition for scarce natural resources such as oil, gas, uranium, and critical minerals has historically played a[…]

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