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 ...
The RapNet Diamond Index (RAPI) for 1-carat diamonds — reflecting round, D to H, IF to VS2 diamonds — fell 1.5% in October. The index dropped 0.6% for 0.30-carat stones, 2% for 0.50 carats, and 0.5% ...