Nickel-free Sterling silver, cubic zirconia band featuring 2 spinning CZ rows. All of our cubic zirconia items are also 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, Silvexonline.com uses both machine-cut and hand-cut CZ stones. Silvexonline.com guarantees that our Sterling silver merchandise is 925 Sterling or above.