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 Death of Class: From Influencers to Diamonds
The Death of Class in Influencing: How Quality and Value Have Eroded

Look at any photograph of Marilyn Monroe, Elizabeth Taylor, James Dean, Marlon Brando, Paul Newman or Jayne[…]

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[…]

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,[…]

An exceptionally rare 8.03-carat blue diamond is expected to attract significant attention when it goes to auction in London
An exceptionally rare 8.03 carat blue diamond is expected to attract significant attention

An exceptionally rare 8.03-carat blue diamond is expected to attract significant attention when it goes to auction[…]

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[…]

Does Taylor Swift Have A New Engagement Ring
Swapping the Rock: Is It Okay to Change or Upgrade Your Engagement Diamond?

When Taylor Swift unveiled the artwork for her new single "Patient Zero" this week, fans went hunting[…]

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,[…]

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