A Stunning Antique Australian Opal Ring Vintage Retro Art Deco, circa 1940-50's, Set in 14K Yellow Gold. This wonderful estate ring holds a colorful natural single cut (not doublet or triplet) Australian Opal with lots of color when turned in the light. The opal measures about 9 x 11mm oval. The setting is Retro Art Deco period, estimated circa 1940-50's, and is composed of 14K yellow gold. Overall the ring measures about 5/8 inch long by about 3/4 inch wide from side to side. Ring Size: about 8 (could be resized by your jeweler or ask me about using mine before shipping). This ring was acquired through an estate collection and is in lovely vintage condition.