1 Carat Moissanite Heart 925 Sterling Silver Ring Silver 4.5 Shop Heart cut Moissanite Halo ring Online Real 925 Sterling Silver 0.3Ct Round Cut VVS1 Moissanite Heart Ring for Gemstone Moissanite Ring with 925 Sterling Silver Gemstone Moissanite Ring with 925 Sterling Silver. Pieces: 1 piece Includes: A matching box.,No certificate of authenticity and limited warranty card with gemological research association (GRA), because a single moissanite has fewer carats (less than 0. 3 carats). Material: 18K Gold Plated,925 sterling silver,Moissanite Carat weight: 0. 12ct 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 (Measurements by inches) & Size Conversion Size Circumference 5 2 6 2. 1 7 2. 2 8 2. 3 9 2. 4