De Beers Group, Alrosa's largest rival, produced 31.3 million carats in the period, it said in a Feb. 10 statement. Alrosa's debt declined by 6 percent to 95.5 billion rubles, while its debt to Ebitda ratio dropped to 1.5 from 2.9.

The other stages that a rough diamond usually passes through are crushing, separating, greasing and cutting. In the crushing operation, which occurs in the below-ground mining facilities, large chunks of kimberlite are broken up into more easily ...

De Beers' Diamdel recently offered 514 lots of rough diamonds spanning the Large, +2 caraters, Grainers, Smalls and Near Gem product categories during its third cycle of auctions for 2012, held April 16-30, 2012. Global demand for products in the Small ...

?According to the Gemological Institute of America, demand for colored diamonds has been unprecedented and The rough diamond Index has outperformed The Gold Index over the past 63 years, and the forecast for the next 5-8 years is even stronger Rough ...

To mark the Queen's Diamond Jubilee, De Beers has unveiled its Talisman Crown, featuring 974 hand selected diamonds, including a 73 carat rough diamond. According to De Beers the crown was inspired by The Talisman Wonder. De Beers explains that the ...

The said Executive Order concurred with UN sanctions on Liberia's rough diamond then. Taylor's aide comments follow the announcement by the UN backed Special Court for Sierra Leone on Monday that Mr. Taylor will be given 30 minutes to address the court ...

Eighty percent of all rough diamonds and half of the world's polished diamonds pass through Antwerp. Belgium is the largest exporter of diamonds in the world, equalling a total of $27 billion. The economic impact of the industry includes A yearly ...

Neil Ventura, CEO of Diamdel commented ''Global demand from rough diamond buyers for our products has steadily improved so far in 2012. This pick-up in demand is both broad based across the geographic markets we serve and across the product categories ...

Although it is the largest ever to have been found the rough diamond had a cloven face on one side, which suggested that it might once have formed part of an even larger stone. The Cullinan III and IV broach and the Cullinan VII Delhi Durbar necklace ...

... Ambassador Gillian A Milovanovic to change the definition of 'conflict diamonds' by including diamond-related violence in rough diamond producing and trading areas - which includes India - at the World Diamond Council (WDC) meeting in Vicenza, ...