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.

Few diamonds capture the imagination quite like a natural Fancy Vivid blue diamond. In 2023, one of the most remarkable examples in recent years the 11.28-carat Infinite Blue attracted worldwide attention when Sotheby’s Hong Kong offered it as a single-lot auction.
The Infinite Blue: The Extraordinary Story Behind a $25 Million Blue Diamond

Rare blue diamond from South Africa’s Cullinan Mine demonstrates why colour, origin and rarity can transform a[…]

Don't Assume a Damaged Diamond Is Worthless
Can Diamonds Be Damaged? Understanding Chips, Abrasions, Burns and Diamond Repairs

A diamond can resist being scratched while still being capable of chipping, fracturing, cleaving or breaking if[…]

When this happens, many people immediately assume they are allergic to gold, silver or another precious metal.
Why Is My Jewellery Giving Me an Allergic Reaction?

Jewellery is meant to be worn, enjoyed and treasured. But for some people, wearing a ring, necklace,[…]

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[…]

wedding photo of Georgina Rodríguez and Cristiano Ronaldo
Georgina Rodríguez Sparkles in More Than 250 Carats of Diamonds at Wedding to Cristiano Ronaldo

Georgina Rodríguez made a spectacular entrance at her intimate wedding to football superstar Cristiano Ronaldo, wearing an[…]

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[…]

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