Deep in the Siberian wilderness sits the world’s largest diamond mine where ... early 1960s and has since become one of the most productive diamond mines in the world. Focusing on open-pit ...

Located within the heart of an ancient volcanic crater, this mine has produced some of the world's most valuable diamonds ... The mine is the second largest diamond in the world, second to ...

The most common in our area is the Ruby-throated ... Botswana has unearthed all of the world's largest rough diamonds over the last decade, including a 2,492-carat stone discovered last year ...

Botswana has unearthed all of the world's largest rough diamonds over the last decade, including a 2,492-carat stone discovered last year that was the second-biggest diamond ever dug out of a mine ...

GABORONE, Botswana (AP) — The Botswana government signed a new diamond sales agreement crucial to its economy with the De Beers mining company on Tuesday after seven years of negotiations.