Sterling silver ring features a natural opal centerpiece with vibrant green and golden fire surrounded by a sparkling halo of CZ stones and decorative split-shank band detailing.​​​​​​​​​​​​​​​​ No obvious vertical banding or striped layers visible from the side The stone has good translucency and fire “natural opal” but professional verification wasn’t done. The side-view evidence supports the natural classification more than synthetic without the faux banding. Stamped 925 2.6 grams total weight 6mm band Size 7.5 #vintage halo opal ring #October birthstone #iridescent opal ring