For more than 40 years, Cook Diamonds has served the Dallas community with an unparalleled commitment to service and value. Whether you‘re looking for a breathtaking engagement ring, a custom setting, loose gems or one-of-a-kind fine jewelry pieces, Cook Diamonds will help you find that perfect piece for you. Located in Dallas‘ World Trade Center, Cook Diamonds is a family-owned business that takes a trustworthy and honest approach to fine jewelry. No gimmicks. No hidden prices. Just plain, old-fashioned service.