September 19, 2025

Rio Tinto ends diamond era with historic final auction

The centrepieces are six diamond sets representing the the peak of production from the Argyle and Diavik mines.

September 18, 2025

Diamond selling processes are outdated and hurting producers, trader says

A trader at HB Antwerp says the impact on producers could be reduced by doing away with inefficiencies in the industry.

September 12, 2025

Giant Imboo emerald leads Gemfields’ $32M auction comeback

The standout was the 11,685-carat 'Buffalo' emerald, which sold for an estimated $1.9 million, though the price wasn't revealed.

September 4, 2025

Gem Diamonds swings to loss amid industry crisis

The miner recorded a $10.7M goodwill impairment as rough diamond prices drop, supply exceeds demand, and lab-grown stones rise.

September 3, 2025

Brazil probes Anglo’s $500M nickel sale to China’s MMG

The probe stems from a complaint filed by CoreX Holding, a global industrial group and direct competitor in the region.

September 2, 2025

Lab-grown gems are robbing Botswana of its diamond riches

Cheaper lab-made gems are stealing diamond revenue, impacting the wealth of the richest people in sub-Saharan Africa.

August 26, 2025

Gemfields’ massive 11,685-carat ‘buffalo’ emerald set for auction

The gemstone is the largest of several emeralds unearthed at Kagem, already famed for record-breaking finds.

August 15, 2025

Dubai investor offers $10M lifeline to Lucapa Diamond

The deal ensures creditors are fully paid, while shareholders get up to 1.8 AUD cents per share, up from 1.4 cents.

August 12, 2025

De Beers strikes first kimberlite field in 30 years

De Beers and Endiama plan increased drilling, surveys and lab tests in Angola to assess the discovery's potential.

August 12, 2025

Alrosa flags high rates, inflation pressure as revenue falls

Russia's sanctions-hit diamond producer reported a 25% fall in first-half revenue.