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.

The 4 c's
How do slight differences in the 4C’s affect a diamond’s value?

How do slight differences in the 4C’s affect a diamond’s value?

Which one of the 4 C’s of diamond grading is the most important ?

Which one of the 4 C’s of diamond grading is the most important ?

Diamond cleaning

Because your diamond when worn naturally attracts grease or oil, they will need periodic cleaning.

Controversial Australia-based miner Kimberley Diamonds has put its last remaining diamond mine into administration after it failed to secure fresh funding.
Kimberley Diamonds closes its last mine

Controversial Australia-based miner Kimberley Diamonds has put its last remaining diamond mine into administration after it failed[…]

De Beers
De Beers taps into polished diamonds market with first-time auction

Anglo American’s De Beers, the world’s largest rough diamond producer by value, has decided to begin selling[…]

Gem Diamonds recovers 80 carat rough diamond

Another D colour Type II diamond weighing 80 carats has been recovered. Shares in Gem Diamonds spiked[…]

De Beers Profit Jumps as Diamond Market Stabilises

Profit more than doubled for De Beers last year as trading conditions in the diamond-manufacturing sector improved[…]

bluenile
Bain Capital and Bow Street to acquired Blue Nile

In a surprise announcement, online jeweller Blue Nile has entered into an agreement to be acquired by[…]

Petra Diamonds announced that it had recovered a 138.57-carat
138.57 Carat D Colour Diamond Recovered by Petra at Cullinan

Petra Diamonds announced that it had recovered a 138.57 carat

Lucara Sells Its 813 Carat Diamond for US$63 Million

Lucara Sells Its 813 Carat Diamond for US$63 Million

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