Diamond Shapes Explained: Round, Cushion, Oval, Pear, and Asscher

Shape is the outline of the stone — round, oval, pear, and the rest. It is not the same as cut quality, which is how well the stone is proportioned. Shape is about style: how the stone looks on the hand, how much it sparkles, and how large it appears. Here are the five shapes you will find most at Tirafina, and how to choose between them.

Round: the sparkle standard

Round brilliant is the most popular diamond shape for a reason. Its 58 facets are engineered for maximum light return, so it sparkles more than any other shape. It is also the most forgiving — a round stone looks good in nearly any setting and on any hand. The trade-off is price: round stones cost more per carat than fancy shapes because more rough stone is lost in cutting.

Cushion: soft, vintage, romantic

Cushion cut is a square or rectangle with rounded corners, like a pillow. It has a softer, more romantic glow than round — less icy sparkle, more warmth — and it suits vintage-inspired settings beautifully. It is also a good choice for colored gemstones, where the shape shows off the stone's color.

Oval: elegant and finger-lengthening

Oval is an elongated round — all the sparkle of a round stone, stretched into an elegant shape that makes fingers look longer and slimmer. Because of that elongation, an oval tends to look larger than a round stone of the same carat weight. One thing to check: ovals can show a "bow-tie" shadow across the middle. A well-cut oval minimizes it.

Pear: the teardrop

Pear combines round and marquise into a teardrop with one pointed end. It is distinctive without being loud, and like oval it elongates the finger. Pear stones are usually worn with the point facing outward, away from the hand, which draws the eye along the finger. It is a strong choice for pendants and drop earrings, where the teardrop shape moves beautifully.

Asscher: Art Deco geometry

Asscher is a square step-cut with cropped corners and a hall-of-mirrors effect — broad, open facets that reflect light in long flashes rather than the fiery sparkle of a brilliant cut. It is the shape for someone who loves Art Deco geometry and understated elegance. Because step cuts show inclusions more easily, clarity matters more here than in brilliant cuts.

Quick comparison

• Most sparkle: round, then oval and pear.
• Looks largest per carat: oval and pear.
• Most vintage character: cushion and asscher.
• Most distinctive: pear and asscher.

There is no best shape — only the one that matches the wearer's style. If the piece is a gift and you are unsure, round is the safest choice; if you know she loves vintage or unusual jewelry, cushion or asscher will feel more personal. Browse diamond jewelry and lab-grown diamonds to compare shapes side by side.