Located at 301 Duval Street, Neptune Designs is the oldest jeweler in Key West, FL.¬†Featuring custom made in-house designs, and fine jewelry from around the world, Neptune Designs specializes in unique and one of a kind jewelry.¬†With professional jewelers on staff, Neptune Designs provides resizing, appraisals, repairs, cleaning, and custom design services. Let Neptune Designs make¬†your custom jewelry ideas into a reality. ¬†The¬†retail store also stocks a wide selection of gold & silver fine jewelry, along with a collection of ancient coins and treasures, including Atocha artifacts. Specializing in sharing rare finds such as uncut emeralds, collectible coins, and investment-grade jewelry. The knowledgeable sales associates can help you find the perfect keepsake or Key West memento to bring home. Stop by and ¬†say hello or brows the inventory. You can also find a selection of our jewelry for sale here in our online store.Neptune Designs is Duval Street‚Äôs oldest custom jeweler,¬†specializing in 14- and 18-karat gold, sterling silver, coin¬†and precious gemstone jewelry. Our unique Key West¬†Pictogram bracelet is a favorite of Key West locals and¬†regular visitors alike.