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Round Engagement Rings

Showcase your promise of forever with a round cut diamond engagement ring. This timeless diamond shape offers optimal symmetry and brilliance, bringing showstopping sparkle to any setting. We offer a curated selection of classic round diamond engagement rings in gold and platinum. From solitaire styles to halos, cluster designs and three-stone settings, our round cut diamond rings are handcrafted for your special moment. Say “I do” to the perfect round cut engagement ring for your proposal.
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Round Diamond Engagement Rings

FAQs about Round Engagement Rings

What is a carat?

Carat is a term used to reference the weight of a diamond. A diamond's carat weight affects the price of the diamond more than any other of the 4Cs, but it’s not the only diamond quality to consider. The rest of the 4Cs, including cut, color and clarity, can also influence the price and beauty of round diamond engagement rings.

Are round diamonds more expensive?

Round cut diamonds are our most popular diamond shape for rings and other jewelry, due to their optimal faceting and durability. Visit our diamond price comparison by shape guide to learn more.

The popularity and classic look of round cut diamond rings gives them a higher price than other diamond shapes, but it is still possible to find beautiful round diamond engagement rings for any budget.

To make the most of your budget, consider round cut diamond rings of varying carat weights and clarity ratings. The round engagement ring setting itself can also impact your price, with simpler round solitaire engagement rings often carrying a lower price than more complex halo or three-stone styles.  

What engagement ring styles best complement round diamonds?

Round diamonds are a classic shape and complement every style of engagement ring available at Blue Nile. Keep it simple with a traditional solitaire ring or enjoy maximum sparkle with a halo engagement ring setting.

How many carats should an engagement ring be?

There is no exact rule for how many carats round cut diamond engagement rings should be. Instead, you should focus on choosing the ring that best fits your budget and your partner’s personality.

Are round engagement rings affordable?

Yes, we offer a wide selection of affordable round cut engagement rings. Though round diamonds are the most popular, and thus most expensive when compared to other diamond shapes, they are still available at a variety of price points. Our classic, circular diamond rings can be found in many different settings, with diamonds for many styles and budgets.

What are the benefits of round engagement rings?

Round cut diamond rings are the most popular style for meaningful rings. A round diamond setting brings optimal symmetry, scintillation, fire, brilliance, and beauty. Engagement rings with round diamonds bring the benefits of timelessness, easy styling, stunning symbolism, and perfect coordination with virtually any wedding ring.

Are round diamond engagement rings popular?

Yes, round engagement rings are incredibly popular. They are the leading ring style for both women’s and men’s engagement rings.

What are tips for buying round cut diamond rings?

When shopping for round cut diamond rings, it’s important to keep your budget and your partner’s style in mind. You should focus on the ring design that best fits the wearer. For some people, this means round solitaire engagement rings are the perfect fit, but for others, hidden halo rings with round diamonds may be a better choice.

We offer a wide selection of round cut engagement rings in a range of styles, prices and customization options. We recommend starting by exploring our full selection of round engagement rings to learn more about these popular diamonds and setting styles. You can also take our engagement ring style quiz and visit our engagement ring buying guide to learn more about shopping for this meaningful jewelry.  

How many facets does the main diamond in a round engagement ring have?

Facets are the flat surfaces on the outside of a diamond, cut to optimize its beauty. Round brilliant diamonds, which are used in circular diamond engagement rings, are faceted for the best symmetry, sparkle and light performance.

On average, the main diamond of a round cut engagement ring will have 57 or 58 facets.  

How do I find the right ring size?

You can find the perfect fit with our free at-home ring sizer.

What settings are available?

The round diamond lends itself to virtually any setting style. Choose from halo rings, three-stone styles, toi et moi rings, round solitaire engagement rings, and much more.

Are lab grown round cut diamond engagement rings available?

We offer round engagement rings with both natural and lab grown diamonds. Choose the perfect diamond type for your special moment.

What is the symbolism of round cut diamond rings?

The circular diamond of round engagement rings represents a never-ending promise of forever. These stunningly symbolic rings are perfect for proposals and showcasing your commitment to your partner.

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