Includes:Moissanite jewelry over 0.3 carats includes a certificate of the stone properties and a limited warranty card with the original overseas manufacturer. Repairs will be covered, but return shipping cost will be purchaser's responsibility.A matching box. Style: Modern Material: 925 sterling silver, Rhodium-plated, Moissanite, Zircon (accent stones) Care: Avoid wearing during exercise, as sweat will react with the jewelry to produce silver chloride and copper sulfide, which causes the jewelry to deteriorate and corrode over time. Imported Product measurements: Chain length: 16 inExtension chain length: 2 inMain stone: 2 caratWeight: 0.14 oz (4 g)