Bluestone Trading Company, established in 1978, is an international buyer and seller of diamonds and estate jewelry. The company employs more than 20 professionals. It provides information to the jewelry industry regarding diamonds, diamond jewelry and diamond simulants. Bluestone Trading Company maintains a complete diamond inventory from melee to multicarat stones, promotional quality and investment grade diamonds. The company buys and sells diamonds on a daily basis and receives import shipments on a weekly basis. It also provides online price quotes prices to its customers 24-hours, seven-days a week. Its inventory includes various sizes, shapes and qualities of diamonds. Bluestone Trading Company is located in Cleveland.