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 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[…]

Does a famous brand make jewellery more valuable
Does a Famous Jewellery Brand Make a Better Diamond?

The luxury of the name, the value of the stone, and what happens when you come to

10.10-carat Burmese ruby
The Extraordinary Rarity of Pink Diamonds: Christie’s Sets a $12 Million Estimate

Few gemstones command the combination of fascination, rarity and value associated with a natural pink diamond. Unlike[…]

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[…]

The next phase of the lab-grown diamond market
Lab-Grown Diamonds: Is the Era of Falling Prices Coming to an End?

What was once promoted as a lower-cost alternative to natural diamonds has become dramatically cheaper as manufacturers[…]

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