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

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[…]

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,[…]

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[…]

Nature created very few of them, and the world's supply cannot simply be increased.
Rare Orangey Pink Diamond to Take Centre Stage at Christie’s Geneva Auction

A remarkable 14.63 carat fancy orangey pink natural diamond is set to be one of the highlights[…]

How can you prove the provenance of a polished diamond?
Where Did My Diamond Come From?

A diamond may have been mined in Botswana, South Africa, Canada, Australia, Angola, Namibia, Lesotho, Russia or[…]

Modern twist to old designs
Classic Diamonds, Reimagined: How Modern Jewellery Design Is Bringing Old Favourites Back to Life

Changing the diamond shape changes the entire look The modernisation of classic jewellery is not limited to the[…]

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