Material: 925 Sterling Silver + 1.75 Carat Swiss Diamond + Swarovski Elements Rings Quality Assurance: Anti-allergic and anti-fade Accessory: Jewelry Box included (Random color and design for jewelry box will be included with rings set)  Female Ring Size: Top Width: 8 mm， Bottom Width: 2mm                             RING SIZES ARE MENTIONED IN US (AMERICAN SIZES). If you do not know your ring size please use this link to measure:http://www.gullei.com/measure-ring-size/