This ball charm features smooth metal accented by a line of cubic zirconia, for a total carat weight of 0.30. It fits on 2mm necklaces, anklets, and bracelets. This charm is crafted in .925 sterling silver finished in 18kt yellow gold, with flawless handset cubic zirconia. CRISLU jewelry is 100% hypoallergenic and is protected by our Lifetime Warranty.