A Stunning Vintage Large Australian Opal Ring Gold Estate Setting. This gorgeous estate ring holds a large, approximately 18mm x 11mm genuine Australian Opal gemstone. This is a solid gem, not a doublet or triplet. The opal displays gorgeous natural colors of fire reds, yellows, blues, peacock greens, and even some violet hues in the light. The setting is composed of handmade 14K yellow gold and beautifully highlights the gemstone. Overall the ring measures about 13/16 inch long by about 11/16 inch wide from side to side. Ring Size: about 7 (could be resized by your jeweler or ask me about using mine before shipping. Once sized, the three gold components making up the hank will be joined together in the back as a solid piece where the sizing will be done.). This ring was acquired through a wonderful estate collection and is in lovely vintage condition.