These sparkling studs are designed with gorgeous, prong-set, round cubic zirconia for a stunning look you'll wear over and over again. Metal: Sterling silver. Stones: Simulated diamond 1½ ct. t.w. round diamond equivalent. Settings: Prong. Back: Post. Care: Wipe clean. Country of Origin: Imported. Carat (ct.) total weight (t.w.) represents the approximate total weight of diamonds or equivalent appearance.Jewelry photos are enlarged to show detail. Disclaimer: Metal may be rhodium plated to enhance appearance and reduce tarnishing.