The giant miner is sharpening its focus on its iron ore, copper, and aluminum and lithium businesses.

After 23 years of operations and more than 150 million carats of rough diamonds produced before exhausting its economic reserves, Rio Tinto’s Diavik diamond mine in the Northwest Territories of Canada ...

Diamonds are essential to Minecraft’s Survival Mode, for if players want to amass a collection of the best tools and armor, they are going to need these shimmering blue jewels to craft them. However, ...

Global mining giant Rio Tinto has marked the last day of production at its Diavik diamond mine in the Northwest Territories.

Gaborone, Botswana — Botswana says one of the largest diamonds ever found has been unearthed at one of its mines and will be put on show on Thursday. The Botswana government believes the huge ...

(Reuters) - Petra Diamonds, which has the world's third-largest resource of diamonds, said on Wednesday it had delayed the sale of gems from its Cullinan Mine in South Africa until there was greater ...

Pink diamonds are made under extreme pressure when two continents collide. The scientists hope that understanding this will help them find new hotspots for colorful diamonds. The world's largest ...