St. John's Jewelers is Ellicott City's oldest jeweler. From timeless classics to the hottest trends, St. John's Jewelers has something for every taste, every budget and every occasion. St. John's Jewelers has an in-house gemologist and jeweler and offers a wide range of services: same day repairs, appraisals, custom jewelry designs, custom remounts, cash for gold, redesigns, watch repair and so much more. St. John's Jewelers is family owned and operated since 1974.