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Home / Blog / Diamond Education / Diamond Stud Earring Size Chart and Shopping Tips

Diamond Stud Earring Size Chart and Shopping Tips

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Diamond stud earrings are easy to love but can be harder to choose. They’re the ultimate jewelry box staple and a forever-favorite gift, but with so many sizes, shapes and settings, landing on just the right pair comes with more choices than you might expect. With this guide, you’ll learn exactly how carat weight translates to size, how different studs look on the ear and all the tips you need to pick the perfect pair. 

Diamond Stud Shapes

Like diamond rings, diamond earrings are available in any number of shapes, also known as cuts, with round and princess cut being the most popular. When choosing a diamond shape for your earrings, be sure to keep in mind that studs may shift in your ears as you wear them, so it’s a good idea to choose a shape that looks good sideways and upside down as well as right side up.

diamond stud earring shapes

Diamond Stud Sizes

Diamond stud earrings come in just about every size imaginable, and they’re measured by their carat total weight (CTTW) which is the combined weight of both stones. For example, if you’re looking at a pair of 1.00 cttw solitaire diamond studs, each stud will be 0.50 carats. Learn more about the differences between CT, CTTW and TW.

It’s important to understand total carat weight when shopping for diamond earrings so you end up with a pair you truly love. To find the very best diamonds for you, take a look at the 4Cs, the industry standards that define a diamond’s cut, color, clarity and carat weight. 

To make it easier to picture how each carat weight looks on the ear, we’ve put together a diamond stud size chart that lets you see our most popular carat weights in real life. 

.25cttw Diamond Stud Earrings

.25 cttw diamond stud earrings

.50cttw Diamond Stud Earrings

.5 cttw diamond stud earrings

1.00cttw Diamond Stud Earrings

1.00 cttw diamond stud earrings

1.50cttw Diamond Stud Earrings

1.50 cttw diamond stud earrings

2.00cttw Diamond Stud Earrings

2.00 cttw diamond stud earrings

Natural vs Lab-Grown Diamond Studs

When it comes to diamonds, sparkle is a given, but how your diamond came to be is a different story. Natural and lab-grown diamonds each have a unique path to brilliance, and both make stunning studs. Lab-grown diamonds are chemically, structurally and visually identical to natural diamonds. The fundamental difference between lab-grown diamonds and natural diamonds comes down to their origin. Natural diamonds were formed billions of years ago deep within the earth’s crust, whereas lab-grown diamonds are grown in a laboratory over a 2-3 month timespan 

Lab-grown diamonds can make for an appealing alternative to mined diamonds, with their affordability being one of the most popular reasons to choose a lab-grown diamond

Diamond Stud Settings

Diamond stud settings come in many different styles. Most commonly, you’ll see prong settings, bezel settings, and halo settings used to secure the diamonds in stud earrings. Let’s touch on the advantages of each of these setting styles.

martini prong setting diamond stud

Prong Settings

Prong settings consist of prongs, or pointed pieces of metal, that hold a diamond in place. Prong settings can have any number of prongs, but most commonly you’ll see three-prong settings, known as martini prong settings. Additionally, there are basket prong settings, which feature prongs that secure a stone in a basket-like shape. One major advantage of prong settings is that they allow the sides of your diamonds to catch more light, maximizing their brilliance.

bezel set diamond earrings

Bezel Settings

A bezel setting holds a diamond in place with a ring of metal. This metal ring snugly fits around the diamond, keeping it securely in place and providing ample protection from bumps or drops. Keep in mind that bezel set diamond stud earrings allow for slightly less light entry than prong settings.

halo set diamond earrings

Halo Settings

Halo diamond stud earrings consist of one or more rings of smaller diamonds surrounding a center stone. These smaller accent diamonds add brilliance to your diamond earrings, creating a high-impact look. As an added bonus, a halo setting will make the enclosed diamond appear larger than it actually is.

Diamond Stud Metal Types

When choosing a setting for your diamond studs, you’ll also want to consider which metal type and color is preferred. Stud earring settings are usually crafted from one of four precious metals: white gold, yellow gold, rose gold, and platinum. White gold is the most popular option as it’s a classic look that blends well with the diamond. If you are sensitive to metals, platinum is a good choice: it’s hypoallergenic and unlikely to cause an allergic reaction no matter how long you wear it. While white gold and platinum are similar in style, they differ in durability, weight and price, with platinum being more durable, heavier and more expensive than gold.

FAQs

 

What Is the Ideal Size for Everyday Diamond Stud Earrings?

Many people find that 0.25–1.00 total carat weight (CTTW) hits the sweet spot. The ideal size also depends on your personal style, your ear size and whether you plan to wear other earrings alongside your studs. Discover how to build your own earring stacks in our guide.

How Do I Choose the Right Size of Diamond Studs for Special Occasions?

For special occasions, 1.00–2.00 cttw diamond studs hit just the right note. Think outfit, hairstyle and the setting: larger studs wow with updos or evening wear, while medium ones are the perfect all-rounder for both formal and cocktail attire. 

What Should I Consider When Buying Diamond Studs Online? 

 Pay attention to total carat weight, the 4Cs and the metal and setting. Be sure to review images or videos of the studs being worn to see how they look in real life. Borsheims offers a 90-day return policy on jewelry, so you can shop confidently. 

Sparkle comes naturally. Choosing diamond studs that feel like you just makes it even better. With the right size, cut and style, you’ll discover earrings that look perfect on you and feel like a joy to wear. Explore diamond stud earrings online at Borsheims.com.