Our stones come from a private collection that we have had for over 47 years and are some of the last great stones available. Each stone dictates the piece you will build around it. These stones have been high graded and cut and polished personally by us. We have opened up our vault so these beauties can be shared. The photo you see is the actual stone you will be receiving. This stone comes from out of Nevada's Royston Mine. It has beautiful chocolate brown matrix, runs from a light blue to a deep blue. and is ideal for setting in gold or silver. This cabochon weighs 20.5 total cwt. and measures 17 X 25 mm. Stones are backed, cut and polished, ready to set. Ships in 2 business days. Contact seller for other shipping options. 15 Business day returns for stones allowed. Stones must be undamaged and in original condition.