Diamond Cutters International

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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 Freds best-selling book 6th ed. How to Buy a Diamond.

The National Diamond Helpline offers FREE, up-to-the-minute advice, diamond appraisals, and jeweler selections. Monday - Friday: 9 a.m. to 5 p.m. CST Saturday: 9 a.m. to Noon CST

Diamond expert to The Wall Street Journal, The Chicago Tribune, USA Today, Kiplingers Magazine, Modern Bride Magazine, Maxim Magazine, Mens Health Magazine, ESPN Magazine, Money Magazine, In Style Magazine, Glamour Magazine, and Sony Pictures.

Author of the #1 selling book on diamonds in the country, How To Buy A Diamond as well as critically acclaimed books Diamonds For Profit and national bestseller Worlds Greatest Proposals.

How To Buy A Diamond and its National Diamond Helpline is endorsed by the National Bureau of Fraud Prevention in Washington, D.C. Has been featured, discussed, and/or guest expert on the Tyra Banks Show, Montel Williams Show, The Today Show, The Tonight Show with Jay Leno, CBS Morning News, Donahue, Fox News, CNN, ESPN as well as over 500 other news and talk shows, sharing his expert opinion on finding the perfect diamond engagement rings, loose diamond quality, diamond tennis bracelet gifts and more.... Inventor of the Interlocking Diamond Bezel, Interlocking Diamond Logo, Interlocking Logo Trophy, Gem Sculptured Logo, Tight Knit Pave and Bullet Train Frame.

Created the first ever baseball diamond bracelet for the Houston Astros, made of mini ruby and diamond baseballs. Created the worlds most expensive toy, The Rubiks Cube Masterpiece a full size, fully working Rubiks Cube covered with 185 carats of precious gems.

Cushions, Asschers, European, Old-miners, Rose cuts; all diamond cuts long gone like the era they fl...

How To Clean A Diamond
Fred Cuellar illustrates the best new way to clean a diamond using Phillips most advanced toothb...

Dangerous Metals: The Truth About Tungsten and Cobalt Wedding Bands
Fred Cuellar, The Diamond Guy, and Dr. Mark Mehaffey discuss the truth about removing weddin...

Harry Winston Engagement Rings vs. Tiffany & Co. Engagment Rings
Im constantly asked to compare engagement rings from Harry Winston and Tiffany & Co. Fred, is ...