The fall in exports forced the world's biggest diamond polisher to reduce imports of rough diamonds by 18% from a year ago to $14.27 billion in the financial year ended March 31, the Gem and ...
The largest was the 3,106-carat Cullinan Diamond, discovered in South Africa in 1905. Graff described the stone as "the world's most valuable rough diamond".
Natural light streams in from a wall-to-wall window where Eric, a diamond cutter (whose surname must remain a secret), is preparing a 782-carat rough diamond the size of a baseball to be sliced by an ...
Alfaro, Laura, Debora L. Spar, Faheen Allibhoy, and Vinati Dev. "Botswana: A Diamond in the Rough." Harvard Business School Case 703-027, March 2003. (Revised November 2005.) ...
Russia is the biggest producer of rough diamonds cut from hundreds of mines beneath the Siberian permafrost, where a third of the world's diamond supply comes from. Now the European Commission has ...
GABORONE, Oct 30 (Reuters) - Sales of rough diamonds at the Debswana ... and a third of its national output from diamonds. It is the world's top producer of the gem by value.
By purchasing a subscription you are helping to ensure the future of impactful stories about the discoveries and ideas shaping our world today. Rough diamonds, fit for cutting, are sold at 41 13s.