Lomonosov mine will cost $400 million before it produces. (Facets).(Alrosa)(Brief Article)

Alrosa, Russia's state controlled diamond mining company, has reported that the cost of bringing the Lomonosov diamond field in Russia's northeastern Arkhangelsk region will cost about $400 million, reported the Interfax news agency

Interfax stated that Alrosa has not revealed what the yield and what its capacity of the Lomonosov mine would be. But, several years ago independent analysts estimated the mine to have a production value of about $12 billion.

De Beers had once expressed interest in developing the Lomonosov diamond deposit, but later bailed out, c