Cubic Zirconia Ring Bridal set Cubic Zirconia, 925 Sterling Silver Ring, SR221 Etsy sterling silver cubic zirconia ring 925 with cushion diamond 925 Sterling Silver Inlaid Zircon Ring Etsy Exquisite 925 Sterling Silver Cubic Zirconia Rings Classic Engagement. Pieces: 1 piece Material: 925 sterling silver, Zircon 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: 6: Circumference 2. 1 in 7: Circumference 2. 2 in 8: Circumference 2. 3 in Weight 2. 9 oz (82. 74 g)