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If you’ve spent any time shopping for an engagement ring, you know there are a lot of shape options. Round is still the classic, but Oval, Cushion, Emerald, Pear, and other shapes have picked up serious ground. The question people ask me all the time is: what does everyone else choose?
I looked at search trends, industry data, and online shopping behavior across the US to map out the most popular engagement ring shape in every state. Some of the results are what you’d expect. A few surprised me.
Here’s what I found.
Round leads the country. It’s the top shape in 20 states. That tracks with what I’ve seen in diamond stores for over 25 years. Round diamonds are cut to maximize sparkle, they work in every setting style, and they hold their value well. There’s a reason they’ve been the default for decades.
Oval is second, leading in 12 states. Cushion is third at 6 states. Emerald holds four states. After that, Pear, Radiant, Princess, Marquise, Heart, and Asscher each lead in one to three states. What that tells me is that fancy shapes aren’t just a trend. They’re sticking.
| Diamond Shape | Number of States |
|---|---|
| Round | 20 states |
| Oval | 12 states |
| Cushion | 6 states |
| Emerald | 4 states |
| Pear | 3 states |
| Radiant | 2 states |
| Princess | 1 state |
| Marquise | 1 state |
| Heart | 1 state |
| Asscher | 1 state |
Here’s a full breakdown of the top engagement ring shape in every state.
Oval is the top engagement ring shape in Alabama. The elongated silhouette looks elegant on the finger and works well in solitaire, halo, and pavé settings. It gives you that classic feel with a modern twist.
Cushion is the most popular shape in Alaska. The soft, rounded corners and brilliant sparkle give it a romantic look that works in both vintage and modern settings.
Oval leads in Arizona. It pairs naturally with warm metal tones and minimalist designs. The elongated shape also makes the center stone look larger than it measures.
Oval is the top choice in Arkansas. The shape feels timeless but not ordinary, which is part of why it keeps gaining ground across the country.
Cushion is the leading shape in California. Soft edges and a romantic look make it a favorite for couples who want something between modern and classic.
Cushion leads in Colorado. Whether you go with a solitaire, a bezel, or a vintage-inspired setting, Cushion works well in just about any design.
Emerald is the top shape in Connecticut. The step-cut facets and clean rectangular outline give it a polished, architectural look that stands out.
Round leads in Delaware. It has the brightest sparkle of any shape and works in virtually every setting style you can think of.
Oval is the most popular shape in Florida. The elongated center stone looks striking and catches light beautifully, especially in sunlit settings.
Oval leads in Georgia. It brings softness to classic settings while also working well in more modern designs.
Oval is Hawaii’s top engagement ring shape. Its fluid lines pair well with nature-inspired settings and delicate bands.
Oval leads in Idaho. It flatters the finger and feels classic without being predictable.
Round is the top shape in Illinois. Balanced proportions and high sparkle make it the most versatile option for any style or budget.
Round leads in Indiana. Its enduring appeal comes from how well it works in everything from simple solitaires to more detailed halo and three-stone designs.
Cushion is the top shape in Iowa. The romantic, soft-cornered look appeals to couples drawn to vintage and timeless styles.
Round leads in Kansas. It offers a bright, symmetrical look that works beautifully in any metal.
Cushion is Kentucky’s most popular shape. The rounded corners and warm sparkle make it a natural fit for vintage-inspired settings.
Pear is the top shape in Louisiana. The teardrop silhouette is distinctive and dramatic without being over the top.
Oval leads in Maine. It looks refined and wearable, especially in understated solitaire settings.
Emerald is the top shape in Maryland. The elongated rectangle and step-cut facets create a sleek, sophisticated look.
Emerald leads in Massachusetts. The clean geometry and subtle sparkle suit couples who want something polished and refined.
Round is Michigan’s most popular shape. It’s brilliant, versatile, and works in virtually every setting style.
Oval leads in Minnesota. The elongated shape feels modern and elegant while still complementing classic ring designs.
Oval is Mississippi’s top shape. The soft curves and flattering proportions make it a popular pick over Round.
Cushion leads in Missouri. The soft corners and romantic character make it ideal for vintage-inspired designs.
Cushion is the top shape in Montana. It has a relaxed, romantic feel that works well in both simple and detailed settings.
Round leads in Nebraska. The high sparkle and timeless look make it a go-to for couples who want a classic ring.
Oval is the top shape in Nevada. The elongated center stone creates a striking presence while staying elegant and wearable.
Emerald leads in New Hampshire. The step-cut design offers understated glamour and architectural clean lines.
Cushion is New Jersey’s most popular shape. The soft, romantic outline works well for both modern and vintage designs.
Pear leads in New Mexico. The teardrop shape is distinctive and artistic, making it a strong choice for couples who want something different.
Cushion is the top shape in New York. It blends vintage romance with contemporary style, which makes sense in a trend-forward state.
Oval leads in North Carolina. The graceful, elongated silhouette works beautifully in solitaire, hidden halo, and pavé settings.
Emerald is the top shape in North Dakota. Clean lines and subtle sparkle suit couples who want a refined, distinctive ring.
Cushion leads in Ohio. The soft corners and romantic character make it a strong alternative to Round and Oval.
Cushion is Oklahoma’s most popular shape. The blend of sparkle and softness makes it a favorite for timeless ring designs.
Emerald leads in Oregon. The clean geometry and understated look appeal to couples who prefer a modern, minimalist style.
Cushion is the top shape in Pennsylvania. It brings softness and sparkle to a wide range of settings.
Oval leads in Rhode Island. The shape looks elegant and polished in both classic and contemporary settings.
Pear is the most popular shape in South Carolina. The teardrop silhouette is romantic and distinctive.
Round leads in South Dakota. The symmetry, sparkle, and enduring appeal make it a natural top choice.
Oval is Tennessee’s top shape. The soft, elongated form feels timeless with a modern edge, especially in yellow gold settings.
Round leads in Texas. It’s the most popular shape in the country for a reason. Maximum versatility and classic sparkle across any setting style.
Oval is the top shape in Utah. The graceful look and finger-lengthening effect make it one of the most popular choices for modern couples.
Emerald leads in Vermont. The clean, elegant look suits refined engagement ring styles.
Emerald is Virginia’s top shape. The elongated outline and step-cut facets create a sophisticated look with vintage appeal.
Oval leads in Washington. The shape feels modern, versatile, and easy to personalize with different settings and metal options.
Oval is the top shape in West Virginia. It offers a graceful balance of classic appeal and contemporary style.
Round leads in Wisconsin. The bright sparkle and timeless look make it a top pick for couples who want a classic ring.
Round is Wyoming’s most popular shape. Enduring and versatile, Round looks great in everything from a simple solitaire to a more detailed setting.
Now that you know what’s popular where, here’s a closer look at each shape. Every one of these is available at Brilliant Earth with hundreds of setting options, in natural and lab grown diamonds, across multiple metals.
1. Round Engagement Rings

Round is the most popular engagement ring shape in the country, and for good reason. The brilliant-cut faceting gives it more sparkle than any other shape. It works in solitaires, halos, three-stone designs, and pavé settings. If you want a ring that never goes out of style, Round is the place to start.

Oval is the second most popular shape in the US, and it’s easy to see why. The elongated silhouette makes the center stone look larger than it measures and creates a flattering look on the finger. Oval pairs especially well with yellow gold, hidden halos, and delicate pavé bands.

Cushion is a square or rectangular shape with rounded corners and brilliant faceting. The soft edges give it a romantic, vintage-inspired feel while the cut still delivers plenty of sparkle. Cushion works well in solitaires, halo settings, and three-stone designs.

Emerald is a step-cut shape with clean rectangular lines and long, parallel facets. The sparkle is different from a brilliant cut. Instead of lots of flash, you get deep, mirror-like reflections. It’s a polished, architectural choice for couples who prefer understated elegance.

Pear is a teardrop-shaped diamond that combines a rounded bottom with a pointed tip. It’s distinctive and a little dramatic in the best way. The elongated shape creates a finger-lengthening effect similar to Oval but with more of a statement.

Radiant combines a rectangular or square outline with brilliant-cut faceting. You get the clean lines of an Emerald with the bright sparkle of a Round. It’s a bold choice that works well in four-prong and bezel settings.

Princess is a square shape with sharp corners and a brilliant-cut faceting pattern. It offers a modern, geometric look with high sparkle. The sharp corners require a protective setting, so four-prong styles are common.

Marquise is an elongated shape with pointed tips on both ends. It creates one of the most dramatic silhouettes of any diamond shape. The elongated outline can also make the center stone appear larger than its carat weight suggests.

Heart is exactly what it sounds like. It’s a brilliant-cut diamond shaped like a heart. The shape requires a skilled cutter to pull off well because symmetry is everything. At its best, it’s unmistakably romantic and one of the most personal choices you can make.

Asscher is a square step-cut shape with deeply cropped corners that give it an octagonal outline. The design was popularized in the Art Deco era and still carries that geometric, vintage character. It’s a distinctive choice for couples who love architectural detail.
Round and Oval lead the country, but the right shape is the one that fits the person wearing it. I’ve seen buyers fall in love with Emerald cuts, fall in love with Cushion cuts, fall in love with shapes their friends would never have picked. That’s how it should be.
Whatever shape your state trends toward, Brilliant Earth carries all of them. You can browse by shape using their ring builder, pair any center stone with any setting, and see everything in person at 40+ stores. That’s a hard combination to beat.
Round is the most popular diamond shape in the US. It leads in 20 states. Round diamonds are cut to maximize sparkle and work in virtually every setting style, which is why they’ve been the top choice for decades.
Oval is the second most popular engagement ring shape in the US, leading in 12 states. The elongated silhouette flatters the finger and gives the center stone a striking presence. It pairs especially well with yellow gold, hidden halos, and thin pavé bands.
Oval, Pear, and Marquise shapes tend to look larger than their carat weight because of their elongated outlines. A 1 carat Oval will often look bigger on the finger than a 1 carat Round at the same weight. Emerald and Radiant shapes also have a large surface area for their weight.
Oval, Pear, and Marquise shapes are generally considered the most flattering because the elongated outline creates a lengthening effect on the finger. That said, the most flattering shape is the one the person wearing it loves. That matters more than any rule.
Step-cut diamonds like Emerald and Asscher have long, parallel facets that run down the sides of the stone. Instead of the flash you get from a brilliant cut, step cuts produce deep, mirror-like reflections. They are known for a clean, sophisticated look.
Brilliant Earth has 40+ store locations across the US where you can try on ring settings and see different diamond shapes in person. You can book an appointment and work one on one with a jewelry specialist. That’s helpful if you’re deciding between shapes and want to see how they look on your hand.
No. State trends are interesting but they should not drive your decision. Buy the shape your partner loves. If you’re not sure, visit a Brilliant Earth store, try on a few different shapes, and see what feels right. That’s more useful than any trend map.
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