Tresor Jewelers is a retail store with its own studio or workshop in the store. From scratch to finish, we do all the work on premises in our Salt Lake City location. Quality control is of utmost importance. We strive to make sure each piece is 100 percent. You do not have to worry about your piece of jewelry falling apart or not having the quality is deserves. At Tresor, you can rest assure, we will take care of you and be proud to have your piece of jewelry which was made here in Utah.