Asheville NC jewelers, Parkers' Karat Patch Parkers' Karat Patch has been serving the Asheville area since 1980. Owners Steve and Linda Parker welcome you to visit their store. Exclusive members of the two largest Jewelry Buying Groups in the U.S. Parkers' Karat Patch offers the finest selection of diamonds available, custom design, expert repair done in the store, and jewelry appraisals.