Round Brilliant Cut Moissanite Stud Earrings Diamondrensu Moissanite Rings Shop Now My Moissanite Moissanite Earrings Moissanite Earrings Guide. 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: Minimalist Material: 925 sterling silver, Rhodium plated, Moissanite 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: Length: 0. 6 in (1. 56 cm) Total: 0. 44 carat Weight: 0. 07 oz (1. 9 g)