Sterling Silver Created Opal and Genuine Swiss Blue Topaz Halo Dangle Earrings Dangle earrings featuring cushion cut 7mm created opal stones with genuine Swiss blue topaz halos in .925 sterling silver Opal is the October birthstone Perfect jewelry gift to expand a woman's fashion wardrobe with a modern, on trend style French wire backing Hand-crafted in pure .925 Sterling Silver; Rhodium plating added to enhance shine and durability Imported