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).
Product measurements: Diameter: 0.6 in (1.5 cm) Each earring: 0.4 caratTotal: 0.8 carat Weight: 0.07 oz (2 g)
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.
