A Stunning Vintage Australian Opal and Diamond Wedding Ring in 18K Gold, Estate Retro Deco, c.1950. This gorgeous fine ring holds a colorful natural, genuine Australian opal at center measuring about 6 x 9mm oval. The opal shows peacock greens, bits of violet blue, with warm undertones. The opal is surrounded by 14 sparkling fine white quality diamonds, for an estimated 1.0ctw in diamonds. The setting is classic retro Art Deco style and is composed of rich 18K yellow gold. Overall the ring measures about 5/8 inch long by about 13/16 inch wide from side to side. Ring Size: about 7 (could be resized by your jeweler or ask me about using mine before shipping). This ring was acquired through an estate collection and is estimated to date circa 1950's. In lovely vintage condition.