1 Carat Moissanite Heart Pendant Necklace Heart pendant necklace Moissanite Pendant Moissanite Necklace Moissanite Jewelry Amazon.com: Certified Heart Cut Moissanite Solitaire Necklace 14K Gold 1.00 Carat (Ctw) Lab Created Moissanite Heart Solitaire Pendant Heart Moissanite Diamond Necklace 18K Solid Gold Necklace Etsy. 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. Style: Minimalist 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 in Extension chain length: 2 in Main stone: 1 carat Weight: 0. 1 oz (3 g)