Diamond Top Stories

Petra Diamonds halts Williamson mine in Tanzania after dam breach

Operations were suspended after a wall of the tailings storage facility was breached, causing flooding in nearby areas.

Cecilia Jamasmie | November 7, 2022 | 7:25 am

Previously unknown mineralogy of deep earth unveiled

New experiments suggest that earth’s deeper lower mantle likely has…

Staff Writer | November 7, 2022 | 5:05 am

Vivid pink diamond could go for $35 million at Christie’s auction

The largest vivid pink diamond sold at Christie's was the…

Reuters | November 2, 2022 | 10:52 am

Gemfields to auction 37,555-gram emerald cluster

The Kafubu Cluster is likely to set a record for…

Cecilia Jamasmie | November 2, 2022 | 10:00 am

Gem Diamonds lowers 2022 guidance despite solid Q3

Output was hurt by a two-day halt in Lesotho during…

Cecilia Jamasmie | November 2, 2022 | 9:28 am

Arctic Star unearths new kimberlites at Diagras

Since beginning drilling this year at its project in Northwest Territories, Canada, company has already found two new kimberlites.

Northern Miner Staff | April 28, 2021 | 10:29 am

Greenland Ruby secures $18 million financing

Funds will enable the rubies and sapphires miner to accelerate growth plans by starting exploration in other license areas.

Cecilia Jamasmie | April 28, 2021 | 10:00 am

Alrosa recommends record high dividend amid strong demand for diamonds

Russia's diamond giant is recommending a record half-year dividend payment of 70.3 billion roubles ($938 million).

Reuters | April 28, 2021 | 4:51 am

Diamond stash worth billions sold off after demand roars back

It’s been a rapid turnaround as cutting centers in India and Antwerp rushed to replenish supplies they’d been unable to buy during the worst of the crisis.

Bloomberg News | April 26, 2021 | 7:07 am

Debswana to sink $6bn into Jwaneng underground mine

The expansion will produce as much as 9 million carats per year, extending the current diamond mine’s lifespan by 20 years.

MINING.COM Editor | April 23, 2021 | 7:00 am

Blockchain platform for sustainability compliance revitalized

Everledger says its platform is now being used by diamond retailers to evidence their sustainability credentials and compliance with regulatory requirements.

MINING.COM Staff Writer | April 22, 2021 | 6:06 am

EU publishes rulebook to classify ‘green’ investments

The European Commission's publication does not include a decision on whether to label nuclear energy and power plants fuelled by natural gas as green.

Reuters | April 21, 2021 | 8:10 am