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.

GIA (Gemological Institute of America) and DCLA (Diamond Certification Laboratory of Australia)
Why Diamond Grades Can Differ Between Laboratories: Understanding Colour and Clarity Variations

The difference in diamond grading between laboratories like GIA (Gemological Institute of America) and DCLA (Diamond Certification[…]

rough diamonds
Beware a Supply Bottleneck

The positive sentiment the diamond market experienced during the past few months was a welcome change from[…]

Natural Diamond Council
Natural Diamond Council makes marketing push

The Diamond Producers’ Association (DPA), established only five years ago by a coalition of diamond miners including[…]

Ekati diamond mine
Dominion Diamond unveils plan to avoid bankruptcy

Canada’s Dominion Diamond Mines has unveiled a transaction that would allow it to exit court protection from creditors and[…]

DiaExpert Sarin
Sarine Ushers In Era of In-Factory Grading

Sarine Technologies has launched a new platform enabling manufacturers to tap its automated grading systems and issue[…]

Argyle pink diamonds
Rio Tinto to Sell Largest Argyle Vivid Pink

Rio Tinto will offer a 3.14-carat, vivid pink diamond at its 2018 tender

Israel diamonds
Israel Gives $284M Boost to Diamond Trade

The Israeli government has pledged $284 million (NIS 1 billion) to guarantee bank loans to diamond companies[…]

102.34 carat D colour Flawless round diamond
World’s largest rarest and most valuable D Flawless round diamond

The 102.34 carat D colour Flawless Round Diamond Could beat the world record price of $33.7 million

DCLA Advanced Diamond Testing
New Guidelines Clarify: ‘Diamond’ Means ‘Natural’

The document stipulates that the words “diamond” and “gemstone” imply natural origin.

Gem Diamonds Lesotho mine in southern Africa
Two 100 carat plus rough diamonds recovered at Lesotho mine

Gem Diamonds at the Lesotho mine in southern Africa

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