March 25, 2022

South African white diamond could fetch more than $20 million on auction

The largest white diamond ever to come to auction will hit the block at Christie’s in Geneva on May 11.

March 25, 2022

Tiffany joins Signet in banning new diamonds mined in Russia

The companies’ bans apply only to newly mined gems, meaning Russian diamonds will still be available in their stores for at least several months.

March 22, 2022

Russia diamond supply curb may benefit Zimbabwe miner’s gems

State-owned ZCDC will resume diamond auctions in April after an eight-month hiatus.

March 17, 2022

Signet shocks diamond trade with refusal to buy Russian gems

The move by the largest diamond retailer in the industry’s most important market will create difficulties through the entire global supply chain.

March 13, 2022

International trade data on emerald, ruby supply skewed – report

A report by Gemfields rings the alarm bell on the lack of reliability of data related to the international supply and trade of coloured gemstones.

March 13, 2022

Kimberlites provide clues as to how what happens on earth’s surface affects the lower mantle

Kimberlites are messengers from the lowest regions of the earth's mantle.

March 9, 2022

De Beers latest sale shows diamond demand remains strong

The world’s top diamond producer by value sold $650 million worth of roughs in the second cycle, 18% more than in the same period last year.

March 8, 2022

Women in mining still facing bullying, discrimination – report

AusIMM’s 2022 Women in Mining survey shows that almost three-quarters of women in the resource sector have experienced bullying and over six in 10 sexual harassment.

March 6, 2022

How managing social performance can improve company-community relationships, business outcomes – report

The International Council on Mining and Metals launched a set of practical tools to strengthen approaches to managing social performance.

March 4, 2022

Alrosa suspends Natural Diamond Council membership

Alrosa is responsible for 90% of Russia’s diamond production and 28% of global supply.