Sterling silver is Silver (Ag) that is 92.5% pure. It is also commonly known as .925 silver. At TIONEER, we take care to only sell well-crafted pieces that match the described purity, and stamped as .925.Sterling Silver Anchor of My Heart Engraved Round Flat Top Polished Ring925 Sterling SilverEngraved Anchor of My Heart DesignApproximate Top Diameter: 13mm (0.51 inch)Standard Fit WearPolished Finish Minimalist Style