The entire sales staff of DesignWorks Jewelry Group Ltd. (formerly ODI) has successfully completed the Diamond Council of America's Diamond Course. At a presentation ceremony before the opening of The JCK Show ~ Las Vegas, 17 DesignWorks sales professionals received certificates from DCA. DCA's Diamond Course consists of 22 chapters of study, four examinations, and a comprehensive final examination. The course focuses on both selling and product knowledge. DCA is a not-for-profit education organization that has been training retail and industry associates since 1944. For information, contact DCA at 3212 West End Ave., Suite 202, Nashville, TN 37203; (615) 385-5301, fax (615) 385-4955, e-mail: email@example.com, Web site: www.diamondcouncil.org.