Size: All size Size: All size Metal - 925 Sterling Silver Stones - Synthetic - Lab created You can see stamping on Listed Pictures, That is only on Real Gold so stamping is not available on Silver. Specification: * 1. High quality materials are used that can meet US and European standards * 2. Austrian crystal, sterling silver, plated alloy, hollow, floating charms locket * 3. Logo customization available * 4. Non-toxic, safe materials, non-hazardous to your body * 5. OEM/ODM Factory, We are th