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.

blue diamonds Cullinan
Petra Diamonds recovers five rare large high-quality blue diamonds at Cullinan Mine

South Africa’s Petra Diamonds, which put itself up for sale in June, announced on Wednesday it had[…]

Rough diamond
HB Antwerp Buys Sightholder’s Cutting Factory

HB Antwerp has acquired the manufacturing facility of Belgian large-stone specialist AMC Diamonds, gaining 13 employees alongside[…]

Crypto currency Diamond
US citizen charged with running diamond Ponzi scheme, cryptocurrency scam

A 51 year-old US citizen has been charged with running a diamond and cryptocurrency based Ponzi scheme.[…]

Rough diamonds DeBeers
De Beers sales hint diamond market has bottomed out

De Beers thinks the recovery is at an early stage and that it will take some time[…]

102.39 carat D Colour Flawless Oval Diamond
Sotheby’s is set to auction off one of the rarest diamonds in the world

Sotheby’s is set to auction off a 102 carat diamond that could become the most expensive jewel[…]

diamonds internal inclusions
Researchers use ‘superdeep’ diamonds to shed light on Earth’s inner workings

In a new study led by a University of Alberta PhD student, researchers used diamonds as breadcrumbs[…]

Rio Tinto Argyle diamonds
Rio Tinto unveils rare diamonds as Argyle nears end

Rio Tinto has showcased its rare pink, red, violet and blue diamonds from the Argyle mine in[…]

SOLDIER-SPARKLING-BLAST
Ulysse Nardin Introduces an Exclusive Blast Edition

At the Geneva Watch Days event in late August, Ulysse Nardin unveiled a new collection called Blast. The collection[…]

hong kong
Jewelry Sales Down 54 per cent in Hong Kong

Sales of jewelry and other luxury goods in Hong Kong fell by more than half in July,[…]

233 carat rough diamond at Letšeng
Gem recovers high-quality 233 ct diamond at Letšeng

Gem Diamonds has recovered a high quality 233 ct Type II white diamond from its 70% owned[…]

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