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The shape of the center stone sets the whole personality of an engagement ring. Here is a quick guide to the nine shapes we offer, what each one looks like on the hand, and who tends to love it. Every shape is available in moissanite or lab-grown diamond.

Round

The round brilliant is the classic. Its 57 or 58 facets are cut for maximum sparkle, and it works with any setting, from a simple solitaire to a hidden halo. If you want a ring that will never look dated, start here. Shop round engagement rings.

Oval

An oval has nearly the sparkle of a round but looks larger for its carat weight because of its longer outline. It also makes fingers look longer and slimmer. Ovals are one of the most requested shapes today. Shop oval engagement rings.

Emerald

The emerald cut uses long, step-cut facets that create broad flashes of light, sometimes called a "hall of mirrors" effect. It is sleek, elegant and a favorite for minimalist and vintage styles. Shop emerald cut engagement rings.

Pear

A pear, or teardrop, combines a rounded end with a point. Worn point toward the fingertip, it flatters the hand and stands out from more common shapes. Shop pear shaped engagement rings.

Marquise

The marquise is long and pointed at both ends. It has the largest face-up look for its carat weight of any shape, which makes it a bold, eye-catching choice. Shop marquise engagement rings.

Cushion

A cushion cut is square or slightly rectangular with soft, rounded corners. Its larger facets give it a romantic, vintage glow. Shop cushion cut engagement rings.

Radiant

The radiant cut pairs a rectangular or square outline with brilliant faceting, so it has the clean lines of an emerald cut with much more sparkle. Shop radiant cut engagement rings.

Princess

The princess cut is square with sharp corners and brilliant facets. It is modern, crisp and very bright. Shop princess cut engagement rings.

Asscher

An Asscher cut is a square step cut with cropped corners. It has an Art Deco feel and a mesmerizing, layered look. Shop Asscher cut engagement rings.

Tips for choosing

  • Want the most sparkle? Look at round, oval, cushion, radiant and princess.
  • Want the stone to look bigger? Elongated shapes like oval, marquise and pear look larger than a round of the same carat weight.
  • Love a sleek, modern look? Emerald and Asscher cuts have clean, architectural lines.
  • Check what they already wear. Rounded jewelry often points to round, oval or pear; geometric jewelry points to emerald, princess or radiant.

Once you pick a shape, choose your setting and decide between moissanite and lab-grown diamond. You can browse every style in our engagement ring collection, all backed by a lifetime warranty.