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 242-carat rough diamond. (Alrosa)
Alrosa to Sell 242ct. Rough Diamond

Alrosa will auction a 242.31-carat diamond in Dubai later this month, one of the largest gem-quality rough[…]

DCLA pricelist 2021

DCLA gemological testing and diamond grading Hearts and Arrows, Recut analysis

Rough diamond. (De Beers)
De Beers and Alrosa Raise Rough Prices

The two largest diamond miners increased prices at this week’s rough sales as demand improved due to[…]

alrosa-large-rough-diamonds
Alrosa’s July diamond sales drop 79%, state help may be on its way

Russian diamond producer Alrosa said on Monday that its rough and polished diamond sales totalled $35.8 million[…]

Russian 236 carat rough diamond
Russia unearths its largest ever colour 236-carat rough diamond

The stunning gem aged from 120 to 230 million years was mined in Arctic Yakutia. The rough[…]

Alrosa mining
Alrosa, ZCDC JV starts prospecting for diamonds in Zimbabwe

Alrosa Zimbabwe (Alrosa Zim), a joint venture (JV) between Russian diamond miner Alrosa and Zimbabwe State-owned miner[…]

Alrosa
Alrosa halts diamond mining at two assets

Russia’s Alrosa, the world’s top diamond producer by output, is temporarily suspending production at two assets as demand and sales[…]

Alrosa diamonds
Alrosa achieves good first-quarter sales, maintains diamond output guidance

Russia-based diamond miner Alrosa produced eight-million carats of diamonds and sold 9.4-million carats in the first quarter[…]

Alrosa
Alrosa implements guidance to avoid conflict diamonds

Russia’s Alrosa, the world’s top diamond miner by volume, announced that it will start implementing the OECD[…]

fluorescent diamond strong blue
Alrosa steps up efforts to brighten fluorescent diamond sales

Russia’s Alrosa the world’s top diamond miner by volume, is betting on a new strategy to boost its[…]

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