A Lovely Vintage Art Nouveau Style Australian Opal and Australian Jade Ring, Floral Sterling Silver Setting. This beautiful estate ring holds a genuine Australian opal gemstone at its center with beautiful natural coloration. The opal is paired with an Australian jade gemstone measuring about 6 x 7mm oval. The opal measures about 6 x 7.5mm oval. The setting is sterling silver with beautiful floral and leaf detailing. Overall the ring measures about 3/4 inch long by about 3/4 inch wide from side to side. Ring Size: about 6 (could be resized by your jeweler or ask me about using mine before shipping).