Language spoken is primarily English. Accept Cash. Pawn loan is a huge part of Owasso Pawn Inc business, as well as buy, sell and trade. The most favorite things to buy and sell in Owasso Pawn Inc are: diamond rings, necklaces, earings, bracelets, chains, coins, top brand electronics, appliances, smartphones, receivers, players, top brand tools like Hilti, Makita, Bosch, work radios, new and vintage game systems, contrlloers and accessories, guitars, amplifiers, drums, mixers, sport equipment, memorabilia, bikes, RC toys, jerseys.