An Amazing Antique Australian Opal and Modernist Ring Set in 14K White Gold, Vintage Retro Art Deco, circa 1950. The center of this stunning estate ring holds a genuine single cut (not doublet or triplet) Australian Opal gemstone with intense colors in the light. There are fire reds, and peacock greens and even hints of violet-blue when the stone hits the light. The opal measures about 9 x 12mm oval. The opal has natural line inclusions in the stone that the colors travel with that are part of the natural stone. The setting is Retro Art Deco - Modernist period, estimated to date circa 1950, and is composed of 14K white gold. Overall the ring measures about 5/8 inch long by about 11/16 inch wide from side to side. Ring Size: about 5 (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. An amazing piece of fine estate jewelry.