Coyle Wholesale Jewelers has been offering a wide selection of necklaces, bracelets, charms, rings, earrings and watches since 1980. The company buys platinum, silver, gold, diamonds, antique jewelry, used and damaged jewelry, U.S. paper money and gold and silver coins. It offers jewelry repair, design, appraisals, free cleaning and inspection. Coyle also provides free "diamond lessons" to show visitors what to look for when purchasing diamonds.