This 2 Carat Moissanite Double-Layered Bracelet comes with a certificate of the stone's properties and a limited warranty card from the original overseas manufacturer. Repairs are covered, but return shipping costs are the responsibility of the purchaser. The modern design is made with 925 sterling silver, platinum-plated, moissanite, and zircon accent stones. To maintain its quality, avoid wearing this bracelet during exercise, as sweat can cause it to deteriorate and corrode over time. It measures 6.3 inches in chain length with an additional 2-inch extension chain. The main stone is 2 carats and the bracelet weighs 0.46 ounces (13 grams). Imported.