Natural light streams in from a wall-to-wall window where Eric, a diamond cutter (whose surname must remain a secret), is ...

Lucara said in a statement Wednesday that it recovered the "exceptional" rough diamond from its Karowe Mine in central Botswana. Lucara said it was a "high-quality" stone and was found intact.

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.) ...

The company says this diamond "far surpasses" the previous record-holding stone found at the mine in ... The gemstone will not be sold in its current rough form but will instead be cut and ...