Picture style: Studio, flat lay Style: Modern, fashion Appearance: Heart Material: 925 sterling silver, moissanite Craft: Polished Care: Avoid wearing during exercise, as sweat will react with the jewelry to produce silver chloride and copper sulfide. Imported Including: A matching box and bag. Every piece of jewelry containing a single moissanite over 0.3 carats comes with a certificate of authenticity and a limited warranty card with gemological research association (gra). Product measurements: 5: Circumference 2 in 6: Circumference 2.1 in 7: Circumference 2.2 in 8: Circumference 2.3 in 9: Circumference 2.4 in 10: Circumference 2.5 in Moissanite: 1 carat Weight: 0.1 oz (3.1 g)