A Gorgeous Vintage Green Amethyst Diamond Ring Art Deco Style, Sterling Silver Setting with Filigree Detail. This beautiful estate ring holds a faceted green amethyst gemstone at center measuring about 8 x 10mm12The amethyst is surrounded by twelve (20) diamonds. The setting is vintage Art Deco style composed of sterling silver with filigree openwork detailing. Overall the ring measures about 1/16 inch long by about 13/16 inch wide from side to side. Ring Size: about 7 1/4 (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.