This lovely Blue Boulder Opal ring will bring a smile to your face every time you wear it. It sparkles as your hand moves. This 8.13 carat oval cabochon will charm and delight you. This unique opal came from one of our favorite suppliers up in the mountains outside of Rio de Janeiro. It sits in a rich 14K yellow gold 4 prong setting. The size 6.5 is sizable. MR2207