Blue Zone Planet | 1 Carat Moissanite Flower RingDETAILS: Each moissanite jewelry above 0. 3 carat is accompanied by a Certificate of Authenticity and a Limited Warranty Card with Gemological Research Association (GRA). Picture style: Studio Features: Moissanite Material: 925 silver plated platinum, moissanite Care: Avoid wearing during exercise, as sweat will react with the jewelry to produce silver chloride and copper sulfide. Imported Product measurements: 5: Circumference 2 in 6: Circumference