
Meet Fred Cuellar
The Diamond Guy®
Fred Cuellar, the founder and president of Diamond Cutters International, is one of the world’s top diamond experts, as well as a three-time Guinness Book record holder in jewelry design. He is an importer, diamond cutter, and creative designer of jewelry. With over 25 years of experience in the diamond and jewelry business, Fred’s clients include the First Lady and
President George W. Bush, Oprah, the Dallas Cowboys, the Detroit Red Wings, Anschutz Corporation, Saudi Royal Family and hundreds of professional athletes and celebrities. Fred is a consultant, best-selling author, writer and columnist to the national media, and founder of DCI’s National Diamond Helpline, MyGemologistTM program, and Adopt A DiamondTM program.
Best-Selling Author
Fred has written four books including the number one selling book on diamonds, How to Buy a Diamond. Of all books in print, How to Buy a Diamond is ranked among the top 1 percent! How to Buy a Diamond and the National Diamond Helpline are endorsed by the National Bureau of Fraud Prevention in Washington, DC. Fred’s other books are Diamonds for Profit, The World’s Greatest Proposals, and Fredisms. Click on a cover to read more about each book.
Diamond Expert in the National Media
Fred is the diamond expert/advisor for MSNBC, The Tyra Banks Show, The Guardian, Newsweek, “Men’s Health” magazine, and The Indianapolis Star. He has been featured and discussed on The Tonight Show with Jay Leno, NBC’s Today Show, CBS Morning News, CNN, ESPN, Fox News, Wall Street Journal, Chicago Tribune, L.A. Times, US Weekly, FHM, Self Magazine, Dallas Morning News, Cosmopolitan, US Weekly, In Style Magazine as well as over 100 other news and talk shows.




Championship Ring Designer
Custom Jewelry Designer
Fred Cuellar was Featured on the Following Outlets
Fred is the diamond expert/advisor for MSNBC, The Tyra Banks Show, The Guardian, Newsweek, “Men’s Health” magazine, and The Indianapolis Star. He has been featured and discussed on The Tonight Show with Jay Leno, NBC’s Today Show, CBS Morning News, CNN, ESPN, Fox News, Wall Street Journal, Chicago Tribune, L.A. Times, US Weekly, FHM, Self Magazine, Dallas Morning News, Cosmopolitan, US Weekly, In Style Magazine as well as over 100 other news and talk shows.









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.”