RAPAPORT... Petra Diamonds’ revenue rose in the third fiscal quarter amid the sale of high-value stones and continued strong prices for rough.Sales climbed 33% year on year to $140.6 million for the three months ending March 31, the company said Wednesday. At Petra’s March tender, prices increased 38% on a like-for-like basis compared with the previous sale in December. The hike outweighed a 31% d...
