A Gorgeous Antique Art Nouveau - Modernist Australian Opal Ring, Vintage Silver. The center of this beautiful antique ring holds a genuine Australian opal, measuring about 10 x 14mm oval. The opal shows an array of natural colors when in the light. The opal has natural matrix at the surface giving the stone a natural look that goes along with the feeling of the setting. The setting is composed of sterling silver with lovely Art Nouveau - Modernist detailing inspired by nature. Overall the ring measures about 3/4 inch long by about 3/4 inch wide from side to side. Ring Size: about 6 1/2 (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.