The Emerald Stackable Sterling Silver Ring is made in solid .925 Sterling Silver with a polished finish. It is stamped 925 and guaranteed authentic: sterling silver is 92.5% pure silver, rhodium plated to resist tarnish. The band is 2.25 mm wide. Available in ring sizes 5, 6, 7, 8, 9 and 10. Not sure of your size? See our ring size guide. S