"Nickel-free Sterling silver stud earrings featuring 7mm clear Cubic Zirconia ball studs. All of our cubic zirconia items are made with Grade A quality stones with a high-shine finish. All of our CZ pieces are always set and never glued on. Depending on the styles, West Coast Jewelry uses both machine-cut and hand-cut CZ stones. West Coast Jewelry guarantees that our Sterling silver merchandise is 925 Sterling or above."