Value, Style, Quality, Trust. For 38 years, Cook Diamonds has established a tradition of providing customers with high quality diamonds, fine jewelry, precious gems, quality brand watches, and unparalleled service. We have a large variety of lose stones, mountings, finished jewelry and high quality watches. Our jewelry collection includes a wide variety of shapes, sizes, and styles ranging from classically simple to highly fashionable. When a truly unique piece is requires, we are prepared to design and manufacture a one-of-a-kind creating that will be cherished for a lifetime. Cook Diamonds is known for its friendly and professional staff who is ready to help you surprise the people you love with gifts as special as they are. History Cook Diamonds is the perfect example of a family business success story. When asked what was the secret of their success, Colleen said that it was the ability to deliver the highest quality product available, accompanied by personal service at an affordable price. Colleen added, "We want the people who come in to remember who we are and the personal service they received. In short, we want them to come back." Colleen elaborated on another of COOK'S distinguishing features, explaining "We feel it is important for our customers to understand exactly what they are buying, the fine craftsmanship of a watch or piece of jewelry, or the unique characteristics of a precious gem." *Cook Diamonds has had the distinction of designing and creating two of the Dallas Cowboys Super Bowl rings. The Dallas Cowboys' Super Bowl XXVII ring was the largest, most valuable and unique ring in sports history.