Sterling Silver Gems in Motion Lever Back Earrings made with Swarovski Zirconia Made with Swarovski Zirconia Sterling Silver Leverback Settings The shimmering center gemstone "dances" Earrings measure just over 1 inch high including the lever back. Made with Swarovski Zirconia Sterling Silver Leverback Settings The shimmering center gemstone &#034;dances&#034; Earrings measure just over 1 inch high including the lever back.