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

Rio Tinto Group has dug its last diamond and will close its final mine for the precious gemstone, marking the end of a ...

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

Diavik has officially ceased operations after yielding more than 150 million carats of rough diamonds since production began ...

After 23 years of operations and more than 150 million carats of rough diamonds produced before exhausting its economic ...

Diamonds are uniquely valuable due to their extreme hardness and exceptional thermal conductivity, making them the hardest known natural material, about 58 times harder than any other, according to ...

Add Yahoo as a preferred source to see more of our stories on Google. The discovery of the Lucara Diamond in August in the Karowe Mine in northeast Botswana rocked the jewelry industry, but few were ...

In this article, we will take a look at the 11 Diamond Mining Countries in the World by Carats. You can also check out 10 Cheap Alternatives to Diamonds For Engagement Rings for our discussion of the ...

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 ...