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, Platinum-plated, 18K gold-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…