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The Jewelry Box Blog

Diamond Size Chart & 4 More Tools You Shouldn’t Shop Without

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Diamond carat size chart

Diamond shopping can feel overwhelming. There’s so much to know about the details of a diamond – how to spot an imperfection, how a diamond’s shape affects its shine factor, whether carat or color is more important for maximum sparkle ... the list goes on.

Avoid anxiety and confusion by using these jewelry cheat sheets as your diamond shopping sidekicks. No memorization required. Click the links below to print them to size!

Diamond Size Chart

One of the most helpful tools is a diamond size chart. While lots of jewelers and jewelry industry sources provide size charts for round diamonds, not as many allow you to compare carat weights across the most popular shapes. Curious to see the actual size of a 1 carat diamond? We got you covered.

Check out our Diamond Carat Size Chart, a visual comparison of diamonds in the 10 most popular shapes, ranging from 0.25 to 5 carats. It also lists the actual diameters of each diamond, as measured through the girdle.

Just make sure to set page scaling to “none” when you print so your chart displays accurately.

Diamond carat size chart

 

Ring Sizer Chart

Especially important when gifting jewelry, a printable ring sizer is a simple way to determine your ring size. Print our Ring Sizer, grab a ring you (or your recipient) already own, and find the circle that matches in size. Easy as that!

Ring size chart

Like the diamond chart, make sure you set page scaling to “none,” as the ring measurements are very precise.

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Alternatively, most jewelers will provide a physical ring sizer free of charge. Great if you’re measuring your own finger, not so great if you’re trying to secretly get the ring size of your significant other.

Ring sizing tips:

  • When considering a wide band, move up a size from your measurement, for comfort’s sake.
  • Your ring size will be about half a size larger on your primary hand (i.e. the hand you write with).

4Cs Diamond Chart

There’s a lot you can learn about the 4Cs if you have the time and desire to dig deep. However, if you want a simple crash course in a printable format, Jewelers of America has just the thing.

They created a visual Guide to the Diamond 4Cs that shows the scales for carat, clarity, color and cut, as well as 12 of the most common diamond shapes.

Jewelers of America's Guide to the Diamond 4Cs

For more comprehensive resources, you can read their Guide to Buying Diamond Jewelry or head to Ritani’s Diamond Education section for an in-depth way to learn all about the 4Cs.
 

Diamond Grading Report

Important for appraisals, you’ll want to make sure to get a copy of the grading reports for each diamond you’re considering. While this isn’t something you can do ahead of time, you can learn a little bit about them beforehand.

Jewelers of America has an overview of diamond grading reports in general. You can also learn more about diamond reports and services from the Gemological Institute of America (GIA) and from American Gem Society (AGS), the institutions most commonly used for grading.

GIA Diamond eReport
 

Mobile Playbook

Last but not least, we couldn’t talk about portable tools without talking about apps.

GIA created a free 4Cs app, providing diamond knowledge on-the-go as well as access to their Retailer Lookup and Report Check services. (That way you’ll know right away if your jeweler has given you an official GIA diamond grading report or not.) Download it for iPad or iPhone.

GIA 4Cs Guide app

With all these resources, you’ll be a diamond expert in no time. Be gone, diamond shopping anxiety!

No matter the diamond shape and size you get, make sure it's insured! Jewelers Mutual wants to make sure you can wear your jewelry worry free, which is why situations like loss, damage, theft and disappearances are all covered.

Interested to learn how much it could cost you to have that precious diamond insured? It's less than you think! Click the button below to check your rate.

 

 

There are so many benefits of an insurance policy through Jewelers Mutual, but don't just take it from us! Check out what our policyholders have to say.

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About Jewelers Mutual Group

Jewelers Mutual was founded in 1913 by a group of Wisconsin jewelers to meet their unique insurance needs. Later, consumers began putting their trust in Jewelers Mutual to protect their jewelry and the special memories each piece holds. Today, Jewelers Mutual continues to support and move the industry forward by listening to jewelers and consumers and offering products and services to meet their evolving needs. Beyond insurance, Jewelers Mutual’s powerful suite of innovative solutions and digital technology offerings help jewelers strengthen and grow their businesses, mitigate risk, and bring them closer to their customers. The Group insurers’ strong financial position is reflected in their 37 consecutive “A+ Superior” ratings from AM Best Company, as of November 2023. Policyholders of the Group insurers are members of Jewelers Mutual Holding Company. Jewelers Mutual is headquartered in Neenah, Wisconsin, with other Group offices in Dallas, Texas and Miami, Florida. To learn more, visit JewelersMutual.com.