Featuring an Australian boulder opal with a rainbow of colors that flash a you move, this ring is ready to become your new signature piece of unique gemstone jewelry. With a mixed metal 14k gold and blackened sterling silver band, 14K yellow gold bezel, and diamond accent, this unique piece is ready to play. Details: One-of-a-kind boulder opal .7" Diamond .03ct 14k gold Sterling silver with patina Size 5.5  Please purchase a resize if you need a different size