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.

12.38-carat, fancy-pink diamond ring
Sotheby’s Nets $18M at Live New York Jewellery Sale

Sotheby’s garnered $17.9 million from its Important Jewels sale in New York, with a pink-diamond ring taking[…]

A 20.08-carat Type IIb blue diamond recovered at Cullinan.
Petra to sell blue diamonds recovered at Cullinan

Petra Diamonds (LON: PDL) announced the launching of a special tender process for the Letlapa Tala Collection,[…]

Rio Tinto Diavik Helios a 74.48 carat Fancy yellow diamond
Rio Tinto to Sell Final Argyle Specials

Rio Tinto will launch a tender of large rough diamonds, including the last of its special stones[…]

Petra Diamonds Cullinan Diamond Mine
Petra Diamonds shares fall on debt for equity deal

Petra Diamonds has abandoned plans to sell the business in favour of a debt-for-equity restructuring, it said[…]

India diamond
India Says Slump in Diamond Exports Is Much Worse Than 2008

Diamond exports from India, which polishes about 90% of the world’s rough diamonds, will collapse by as[…]

The new GIA lab-grown diamond reports. (GIA)
GIA Unveils New Lab-Grown Reports

The Gemological Institute of America (GIA) has launched its new grading reports for lab-grown diamonds, offering an[…]

debeers-rough-diamond
De Beers sales show steady recovery in diamond market

De Beers, the world’s largest diamond producer by value, said on Wednesday that its latest sale of[…]

Polished diamonds
‘Grading’ Is Just for Natural Diamonds, Says CIBJO

Laboratories should reserve the term “grading report” for natural diamonds rather than lab-grown stones, the World Jewellery Confederation[…]

Ekati and Diavik diamond mines
Dominion Diamond Mines sale of Ekati falls through

The future of the Ekati diamond mine in Canada’s Northwest Territories remains uncertain after Dominion Diamond Mines[…]

The Spirit of the Rose Pink diamond
Sotheby’s Expects Pink to Fetch Up to $38M

Sotheby’s will sell the largest vivid purple pink diamond ever to appear at auction, with expectations it[…]

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