(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 ...

MIRNY, Russia (Reuters) -- Russian Prime Minister Vladimir Putin has pledged $1 billion in state support for diamond miner Alrosa to help it ride out a steep global decline in demand for gemstones.

THE future of one of the world’s richest diamond mines has finally been secured three years after its botched expansion threatened to bankrupt owner Lucara Diamond Corp. The Toronto-listed miner said ...

Desperate times call for desperate measures, an old saying which explains why the world’s diamond miners have started “high grading” their assets, risking rapid depletion of reserves. The large-scale ...

Botswana used its mineral wealth to slash poverty. But now, lab-grown diamonds are threatening the future of its biggest ...