5ct Moissanite Ring with 925 Sterling Silver 266925 Sterling Silver Moissanite Rings Queenou Jewelry 5CT 925 Sterling Silver D Color Moissanite Anniversary Rings with Side 5CT 925 Sterling Silver D Color Moissanite Anniversary Rings with Side. Includes: 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: 925 sterling silver, Platinum plated, Moissanite Carat weight: 0. 26 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: 4. 5: Circumference 1. 96 in 5: Circumference 2 in 6: Circumference 2. 1 in 7: Circumference 2. 2 in 8: Circumference 2. 3 in 9: Circumference 2. 4 in Main stone: 0. 3 carat Weight: 2. 9 oz (82 g)