A sterling silver ring set with a Mexican opal. The opal measures 8mm X 10mm. The setting is open at the back to let the light shine through. It is always difficult to photograph opals as the color changes as the piece is moved. The fire doesn't show up too well in the photos. It is stamped sterling with the letter "C" in a shield Size 5.5. Probably from the 1960's. Weight is 2.07 grams. Nice condition.
Vintage Sterling Mexican Opal Ring