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.

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[…]

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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

DCLA Valuation services

DCLA valuation services for loose or set diamond jewellery. Valuations for insurance or resale with optional cold[…]

De Beers cuts rough diamond prices and sight

De Beers which produces thirty percent of world rough diamonds has cut prices by 10 percent for[…]

DCLA Diamond jewellery valuation with Cold Laser Inscription

DCLA Australia’s leading diamond laboratory valuation service now available.

Rare Orange diamond to showcase at Shapiro Auctioneers

Orange / yellow Orange one of the rarest colours found in natural diamond.

The Diamond Watch that effortlessly turns into an exquisite ring
The Fascination by Graff

The Diamond Watch that effortlessly turns into an exquisite ring

Colour in diamonds
Brown Diamonds natural or synthetic

Causes of colour in heat treated brown diamonds and synthetic brown diamonds are similar to treated pink

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