UCC Jewelry, a close-knit team of jewelry professionals providing fine creative craftsmanship, distinctive jewelry designs, our designer jewelry, loose diamonds, and jewelry appraisal and repair to clients in the Denver Metro area and internationally. What can 26 years of experience in the jewelry business do for you? We provide you with the best in custom jewelry making and design. We make all our own jewelry and sell quality loose stones, including diamonds and all colored stones, at our retail location. We create, restore, repair and appraise your precious jewelry, whether a family heirloom or a more contemporary piece.