OAO Alrosa, Russia's state-controlled diamond miner, said profit more than doubled last year after average prices for the rough stones surged by 60 percent. Net income rose to 26.7 billion rubles ($860 million) from 11.8 billion, Mirny, Siberia-based ...

Gem Diamonds' Let?eng Mine, a 70:30 percent joint venture with the government of Lesotho, is famous for producing large, top-color, exceptional white diamonds, and is considered the highest average dollar per carat kimberlite diamond mine in the world.

... $60 million so far in exploration and evaluation activities, plans to invest $500 million to fully develop the Bunder project. It expects Madhya Pradesh to be in the top 10 diamond producing regions of the world once the Bunder diamond mine developed.

The current definite of 'conflict diamond' refers to a diamond mined in a war zone and sold to finance an insurgency, invading army's war efforts or a warlord's activity, usually in Africa where around two-thirds of the world's diamonds are extracted.

Russian billionaire Suleiman Kerimov urged the government to offer 51 percent of diamond miner OAO Alrosa under its asset sale program, Vedomosti said today, citing unidentified government officials. Kerimov aimed to buy the controlling stake in Alrosa ...

Through Anglovaal, he was also the 50 percent partner of De Beers in the Venetia Mine, South Africa's largest diamond mine. He managed the sale of the company's interest in Venetia to De Beers for $600m. This remains De Beers'largest single acquisition ...

Argyle Diamonds Ltd has operated its Argyle diamond mine in WA since 1985 although it had commenced alluvial diamond mining at nearby Smoke Creek in 1983. Argyle was t he largest diamond mine in the world for many years, peaking at approximately 42.8m ...

The Mir diamond mine in Siberia is the deepest proper human-made hole. It is 525 m deep and 1200 m across. There's a no-fly zone above it because the downdraft created by the hole has caused several helicopters to crash. Pablo Picasso was once arrested ...

The increase in Petra 's production ? an income - is primarily due to the addition of output from the Finsch diamond mine in South Africa . During the quarter, Petra sold 626958 carats, up 134 percent. This translates to an average of $156.31 per carat ...

He has chaired the Independent Environmental Monitoring Agency for the Ekati diamond mine in the Northwest Territories for five years and has worked with the four Aboriginal groups involved for a decade. In 2009, Dr. Ross was the winner of the ...