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 ...

What we know about the Coronation long weekend so far: Although it is not the largest or most flawless diamond in the world, the Koh-i-Noor's history has marked it out as one of the most ...