Picture style: Ghost mannequin Style: Modern, fashion Appearance: Minimalist design Material: 925 sterling silver, moissanite, rhodium-plated Craft: Polished Care: Avoid wearing during exercise, as sweat will react with the jewelry to produce silver chloride and copper sulfide. Imported Product measurements: Length: 0.7 in (1.8 cm) Moissanite: 1.92 carat Weight: 0.18 oz (5 g) Including: A matching box and bag. No certificate of authenticity and limited warranty card with gemological research association (gra), because a single moissanite has fewer carats.