Emerald Rough online direct to you at wholesale prices. Gem Rock Auctions has a large selection of Emerald rough online that can be either faceted or cut as a Cabochon. Natural rough is ideal for beginners or professional cutters. Rough is ready to shape and polish as a cabochon, faceted or to make beads on lapidary equipment. Most of the rough has been hand selected and the treatments applied to the rough must be fully disclosed by our verified sellers.