Silver 92.5 Moissanite Necklace Set, , Moissanite 925 Sterling Silver Necklace Amazon.com: Moissanite Necklace for Women, 2 CT Round D Color VVS1 Silver 92.5 Moissanite Necklace at 21912.00. Includes: A matching box. Moissanite jewelry over 0. 3 carats includes a certificate of stone properties. Limited warranty included, please contact us for any issues related to your purchase. Material: 925 sterling silver, Rhodium plated, Moissanite, Zircon (accent stones) Care instructions: 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 in Extension chain length: 2 in Main stone: 0. 5 carat Weight: 0. 1 oz (2. 7 g)