Diamonds are appreciated for their quality, size, and clarity. Learn how to buy a diamond from the diamond buying guide at AmericanGemSociety.org. Jewelry Association | Top Jewelers, Diamond Education
Buying Diamonds
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Woman louping diamondCut. Color. Clarity. Carat Weight.

For a first-time buyer, you might as well add Complicated to that list. Don't worry, we’ve got you covered. Rest assured, beautiful diamonds can fit almost any budget. Plus, by knowing a thing or two about the 4Cs, you'll be able to shop smarter and most likely score a better value.

Check out the following topics to get started:

Or learn more about diamond buying:

Or search for an AGS-certified jeweler near you who can answer your questions and give you advice. Our member jewelers are trained and certified to help new buyers, and they’ll happily teach you everything you need to know.

In addition, we’ve put together a list of diamond jewelry trends and unconventional jewelry trends to help you chose the perfect piece.

Pro Tip: Ask your American Gem Society jeweler to show you how the diamond performs (or sparkles) in a range of lighting conditions. A well-cut diamond will sparkle no matter what kind of light it is in.

Don’t forget to read our article about some of the most famous diamond collections!

Diamond Buying ConfidenceBuying a diamond can be intimidating. Finding a beautiful diamond is easy; finding the right one for your taste and budget is more of a challenge. Unless you are a skilled gemologist, how can you know, beyond a shadow of a doubt, that the diamond you are considering is truly a quality one? After all, diamonds are expensive. You want assurance that the quality you’ve paid for is the quality you are getting.

The good news is that by following just one important step, you can have complete peace of mind about your diamond purchase. Simply ask your jeweler for a diamond that comes with a report from the laboratory with the highest standards of diamond grading — The American Gem Society Laboratories.

It’s that simple. 

Visit Find a Jeweler to see our list of knowledgeable and reputable retailers.

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Mission Statement

The American Gem Society (AGS) is a nonprofit trade association of fine jewelry professionals dedicated to setting, maintaining and promoting the highest standards of ethical conduct and professional behavior through education, accreditation, recertification of its membership, gemological standards, and gemological research.

The Society is committed to providing educational products to inform and protect the consumer and to contributing to the betterment of the trade by creating industry standards to protect the jewelry-buying public and the fine jewelry industry as a whole.

AGS Laboratories, founded to support the AGS mission, is a nonprofit diamond grading laboratory with a mission of consumer protection. Adhering to the AGS Diamond Grading Standards, AGS Laboratories is dedicated to offering diamond grading reports that provide consistency and accuracy based on science.

American Gem Society

8881 W. Sahara Ave. Las Vegas, NV 89117

info@ags.org (866) 805-6500