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.

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

6.03-Carat Yellow Diamond Found in Arkansas Could Be Worth $1 Million
6.03 Carat Yellow Diamond Found in Arkansas

A remarkable 6.03-carat yellow diamond discovered by an amateur diamond hunter at Arkansas’ famous Crater of Diamonds[…]

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[…]

Diamond Certificate Australia & Worldwide: Why DCLA Leads
Diamond Certification Australia, Where to Get a Diamond Certificate Worldwide & Why DCLA Leads

Whether you're buying an engagement ring, insuring a family heirloom or selling a stone, one document matters[…]

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[…]

The lesson for the diamond industry
When Good Ideas Do Not Always Solve the Problems in the Diamond Trade

The diamond industry has spent decades trying to address questions around sustainability, traceability, ethics and responsible sourcing.[…]

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,[…]

De Beers London launches Vibrations
De Beers London launches Vibrations

De Beers London presents Vibrations: a High Jewellery universe inspired by the quiet yet enduring power of[…]

Detection has always been part of DCLA's laboratory process
Diamond Detection Keeps Advancing, And DCLA Has used the Technology for Decades

The technology used to identify laboratory-grown diamonds continues to advance, with De Beers Group announcing its next-generation[…]

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