Round Simulated Rainbow Topaz CZ Screw Back Sterling Silver Stud Earrings 8mm For a elegant style, reach for these sophisticated 8mm, sterling silver and simulated rainbow topaz CZ screw back earrings. Basket set and modern minimalist, any fashionista will love these round studs. Measure: 8mm x 8mm Weight: .1.9 Total Grams Material: Sterling Silver, Rhodium Plated, Cubic Zirconia Material: .925 Sterling Silver, Rhodium Plating, Cubic Zirconia Measure: 8 mm L x 8 mm W Weight: Approx 1.2 Grams