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.

8.10 carat Fancy Vivid pink
Geneva Auction to Feature Rare 8.63 Carat Pink Diamond

The unmounted oval modified brilliant cut diamond has been graded Fancy Intense Pink, VS2 clarity and Type[…]

More than 4,400 natural diamonds, including a spectacular 75.54 carat Fancy Vivid Yellow diamond
Spectacular $70 Million Diamond Fantasy Bra

More than 4,400 natural diamonds, including a spectacular 75.54 carat Fancy Vivid Yellow diamond, transformed a Victoria’s[…]

De Beers at a Crossroads Lab-Grown Diamonds,
The Hidden Cost of Falling Diamond Prices, Lab-Grown Competition and Lost Livelihoods

The potential sale of De Beers highlights the challenges facing the natural diamond industry. The rise of[…]

The Bulgari pink diamond ring
A Rare 24 Carat Diamond Set to Make Auction History

A remarkable pink diamond, hidden from public view for more than 70 years, is preparing to take[…]

Buying fine jewellery should feel like a privilege, not a gamble. At the DCLA Diamond Exchange, every customer is guided by people who have spent 25 years at the heart of Australia's diamond and gold trade.
The DCLA Diamond Exchange: Expert Jewellery Buying, From First Look to Final Delivery

Decades of diamond and gold expertise, at your fingertips, Expert Jewellery Buying, From First Look to Final

Strategic review highlights the financial pressure facing one of Africa’s best-known natural diamond producers
Petra Diamonds Weighs Sale as Diamond-Market Pressures Mount

Petra Diamonds has launched a strategic review that could ultimately lead to the sale of some or[…]

How Jewellery Became the Wealth That can Travel
How Jewellery Became the Wealth That Travels

From the Nazi decrees of the 1930s to the refugee boats of the South China Sea, rings,[…]

Natural Diamond Prices Begin to Stabilise, But Has the Market Turned?
Natural Diamond Prices Begin to Stabilise, But Has the Market Turned?

After several challenging years for the natural diamond industry, there are growing signs that the market may[…]

Diamond Manufacturing Process & Indicative Cost
Diamond polishing process from the DCLA

For a small-to-medium round brilliant, the manufacturing cost might broadly fall around: $600–$2,500+ per finished diamond, excluding the[…]

The beginning of scientific diamond proportions
The Transformation of Diamond Cut Quality Grading

From the Tolkowsky Ideal to Modern Cut Grades, Why Proportions Still Matter For more than a century,[…]

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