Jewelry Moissanite Stacking Rings Poshmark Round Moissanite Leaf Stackable Ring stack093 MoissaniteCo.com Moissanite Stack Rings Etsy Moissanite Stack Rings Etsy. 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). Style: Fashion Material: 925 sterling silver, Platinum plated, Moissanite Color grade: D Clarity grade: VVS1 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: 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 Total: 0. 76 carat Weight: 0. 25 oz (7. 2 g)