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.

Petra Diamonds
Petra Diamonds shares fall on lower diamond prices at flagship mine

The Cullinan diamond the largest rough gem diamond ever found

Gem Diamond Mine
Low Prices Trigger A Four-Way Merger Proposal For African Diamond Miners

Tough times in some parts of the diamond-mining industry has prompted an innovative solution, a four-way merger[…]

Petra Diamonds
Petra Diamonds needs to raise $178 million to urgently cut debt

Mining firm Petra Diamonds said it aims to raise $178 million to help cut its debt burden

Petra Diamond mine
Petra Diamonds record output

Petra Diamonds climbed almost 8% on Monday

Diamond Producers Association
Diamond Producers Association launches India operations

ALROSA, De Beers, Dominion Diamond, Gem Diamonds, Lucara Diamond, Petra Diamonds and Rio Tinto back the Diamond[…]

Petra Diamond mine
Petra Diamonds shares drop

More trouble for diamond miner Petra Diamonds yesterday after it warned it is heading into financial[…]

Williamson Diamond Mine Tanzania
Petra Diamonds suspends operations at its Tanzania mine

The Tanzanian governments confrontational approach to miners operating in the country including Petra Diamonds, has led[…]

Tanzania confiscates diamonds
Tanzania confiscates diamonds from British mining company

The Tanzanian government has announced the seizure of diamonds worth an estimated $29.5 million after accusing British[…]

Yellow Diamond A coloured diamond with a natural yellow body colour.
Yellow Diamond

A yellow diamond is a coloured diamond characterised by its natural yellow body colour.

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