Round diamonds are the second-most expensive diamond shape, all other characteristics considered. This is because round diamonds are cut to exacting specifications for the utmost sparkle. But those specifications require losing about 60% of the rough diamond's carat weight in the cutting process, which means more labor for less return. Hence, higher prices.

Yes! They’re the most brilliant diamond you can buy. That's only true, though, if you buy a well-cut round diamonds. Of all the Four Cs, cut plays the biggest role in the quality of a round. You can skimp elsewhere (color in particular), but we recommend prioritizing cut quality with this shape. But lucky for you, this cut is basically the ABCs for diamond cutters, so a perfect cut is easy to come by.

Round diamonds are the classic. This cut was perfected over a century ago, and it’s well-established among expert cutters and diamond graders. It’s been the centerpiece of countless advertising campaigns, and it’s the shape most commonly associated with diamond solitaire engagement rings (see: the ring emoji 💍). Simply put, you can’t go wrong with a round brilliant diamond; every jeweler knows their way around it, and it’s a timeless beauty.

Old reliable, the round diamond solitaire engagement ring. Simple, classic, brilliant. It’s a great no-fuss option if you're more of a minimalist. Round diamonds also look fantastic in just about any setting style, whether it's with a diamond halo for additional sparkle, floral accents for some romance, or a chunky bezel engagement ring for a chic, modern cool girl look. We also love a round in a bombe ring for bold sculptural impact.

Yes! A round cut engagement ring is the most straightforward cut when it comes to upkeep. Its smooth, edgeless silhouette means there are no sharp corners to snag or chip. That brilliant faceting doesn’t leave many nooks and crannies for dirt, grime and oils to sneak in, so all you need to clean a round brilliant is a gentle scrub. While all fine jewelry deserves a little TLC, the round cut doesn't demand constant fussing, making it a great option if you’re trying to avoid something high maintenance.

A round brilliant cut engagement ring can be set innumerable ways.

The diamond can certainly do the talking in a solitaire; it’s a classic for a reason, as it performs a dazzling solo act. But if you're feeling glamorous, a halo setting, or even a three stone setting, can add some extra star power to your ring finger. Round diamonds also lend themselves incredibly well to more architectural, sculptural settings, like a bombe ring, for example. Perfect for the eclectic artist.

As for stacking, you can opt for a simple band to let the stone shine, or a diamond-forward for truly epic glamor. A colorful stacking band with fancy color diamonds or sapphires can also add a unique twist to your classic round brilliant diamond.

A round diamond can be a maximalist’s best friend if you want. Ample statement jewelry can complement your engagement ring swimmingly. You can even choose a fancy color round brilliant diamond for some extra pizazz.