Jewelry Warehouse, Columbia, S.C., has been named “Retailer of the Year” by GDM Group, a marketing and manufacturing organization for independent retailer jewelers. The family-owned business has three stores in Columbia, and has been in business since 1977. It has been the official jeweler for the Miss South Carolina pageant for the past 18 years and was voted the best jewelry store in the Columbia area for the past nine years.