Pair of earrings: Material: 925 Sterling Silver Finish: Rhodium Plated Silver, Nickel Free and Lead Free Closure: Hoop/clasp Zircons/Minerals: 3.5 * 2 mm Thickness : 1.5 mm Thickness: 2 mm Inner ring diameter: 13 * 8 mm Outer ring diameter: 17 * 11 mm