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.

Natural or Laboratory-Grown
The Diamond You Choose, Natural Rarity or Laboratory Grown Quality

When the choice is yours, what matters most: rarity, size, beauty or simply the diamond you fall[…]

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[…]

If royalty sets long-term trends, Hollywood sets the seasonal ones. Major jewellery houses have been lending pieces to stars for awards nights since the mid-20th century.
What Really Drives the Modern Jewellery Buyer

For as long as jewellery has been worn, people have looked to the famous for cues. Royal[…]

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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