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Before you buy a diamond, know fact from fiction

How do you get the best diamond for the best value? How do you tell if a diamond engagement ring is real or a cubic zirconia? How do you know if you can trust a loose diamonds seller? The Diamond Guy®, Fred Cuellar, answers those questions and more for thousands of people. Fred is an internationally-known diamond and jewelry expert with over 20 years of experience in the jewelry trade. This website is a companion to Fred’s best-selling book 6th ed. “How to Buy a Diamond.”