Fine Jewelry: 925 Sterling Silver with Baked Enamel. 925 Sterling Silver Charm Pendant, Sailfish, Blue Enamel High Polish Total Product Weight including Metal and Enamel: 3.1 Grams ~ Certificate of Authenticity: Thank you for considering your purchase from Million Charms by Occasion Gallery. All Million Charms fine jewelry (excluding pendant chains) are designed and crafted in the U.S. by our own skilled artisans, taking pride in the quality and workmanship of each piece. Our jewelry is guaranteed to be free from manufacturing defects and is crafted only from the finest quality alloys. Our sterling silver pieces consist of 92.5% silver and are e-coated to prevent tarnishing, guaranteed. The coating gives it that unique radiant silvery-white finish, defining quality in silver. Silver charms with moveable components are rhodium plated to prevent tarnishing. You can be proud to wear Million Charms jewelry knowing that each piece is crafted with the finest attention to detail, making it truly an exquisite work of art. Time-honored, gold charms are a unique keepsake for any occasion with magic in every charm. Enjoy!