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.

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[…]

Green Diamonds Require Specialist Knowledge
Fancy Colour Diamonds, From Hollywood Statement to the Ultimate Collectable

For generations, the traditional diamond engagement ring has been dominated by the classic colourless stone. But the[…]

Why experience matters when buying a diamond
Best Place to Buy Diamonds in Australia: Knowledge, Experience and Confidence

One of the most important questions a diamond buyer should ask is: Who graded the diamond? A grading report[…]

Visit the DCLA Diamond Certification Laboratory of Australia
The Diamond Market Has Changed, Could This Be the Time to Buy?

The diamond market is going through one of the most significant periods of change in recent decades.[…]

The DCLA Rule for Buying Jewellery
The Art of Negotiating When Buying Jewellery

Buying fine jewellery should be an enjoyable experience. But when you are spending thousands or even tens[…]

A CVD Diamond Designed to Look Natural
GIA Alert: CVD Rough Made to Mimic Natural Diamond

The Gemological Institute of America (GIA) has issued an important warning after examining a 6.87-carat, near-colourless CVD[…]

For the DCLA, this changing relationship with diamonds underlines the importance of communicating the distinct qualities of natural diamonds while recognising the broader cultural shift taking place across the jewellery market.
The changing romance of diamonds and jewellery

Swarovski’s chief executive has told the Financial Times that falling prices for laboratory-grown diamonds are enabling more[…]

An uneven color distribution is observed under visible light
GIA Examines a Remarkable Colour-Treated Purple Diamond

The Gemological Institute of America (GIA) has examined a fascinating 3.93-carat Type Ib purple diamond that had[…]

The Critical Role of Diamond Angles
Diamond Light Return: How Cut, Angles and Facets Control the Way a Diamond Performs

A diamond is far more than a beautiful gemstone. It is a precisely engineered optical crystal, and[…]

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