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.

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[…]

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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