3 Carat moissanite ring Williams Jewelers 3 Carat Moissanite 925 Sterling Silver Square Shape Ring Moissanite Ring GRA Moissanite Diamond Gemstones 2273CT 925 Sterling Silver Moissanite Rings Queenou Jewelry. Pieces: 1 piece Includes: Moissanite jewelry over 0. 3 carats includes a certificate of stone properties. Limited warranty included, please contact us for any issues related to your purchase. Material: 925 sterling silver, Moissanite Carat weight: 3 Care instructions: 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 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 Weight 0. 1 oz (4 g)