How to Choose the Perfect Diamond Shape

Before you think about settings or metals, start with the shape of the center stone — it's the single decision that most defines the ring's personality. Here's how the six shapes we're asked for most often actually differ, and how to narrow down the one that's right for your partner.

Round Brilliant

The classic, and for good reason. With 58 precisely angled facets, the round brilliant returns more sparkle than any other shape. It's the most popular cut by a wide margin, endlessly versatile across settings, and the most forgiving of everyday wear. The trade-off: round stones command the highest price per carat, because cutting one wastes more of the rough crystal.

Oval

An oval delivers nearly the sparkle of a round but looks larger for the same carat weight, and its elongated shape makes fingers appear longer and more slender. It's currently one of the most-requested shapes we see — a modern favorite that still feels timeless.

Emerald

Emerald cuts use long, straight facets (a style called "step cutting") for a sophisticated, understated look — think flashes of light rather than fiery sparkle, like a hall of mirrors. Because the table is large and open, clarity matters more here; inclusions are easier to see. The reward is an elegant, art-deco feel that stands apart.

Cushion

A cushion is essentially a square or rectangle with softly rounded corners — a pillow shape. It's romantic and vintage-leaning, with a warmer, chunkier sparkle. Cushions pair beautifully with halo settings and tend to offer excellent value per carat.

Pear

A pear (teardrop) combines a rounded end with a single point, giving a distinctive, elegant silhouette that also elongates the finger. It rewards a bit of care: symmetry is key, and the point should be protected by the setting. Worn with the point toward the fingertip, it's genuinely striking.

Marquise

The marquise — an elongated shape with points at both ends — has the largest surface area per carat of any cut, so it maximizes size on the hand. It's bold and regal, and like the pear, its points need secure prongs. A great pick for someone who wants presence.

A few practical tips

• Elongated shapes (oval, pear, marquise, emerald) make fingers look longer and often wear larger than their carat weight suggests.
• For open shapes like emerald, prioritize a higher clarity grade since inclusions are more visible.
• Pointed shapes (pear, marquise) should sit in settings that protect the tips.
• If you're unsure of your partner's taste, notice the jewelry they already wear: sleek and modern, or vintage and romantic? That's your biggest clue.

Still torn? Try our ring builder — browse by diamond shape, set your budget, and see real certified stones that fit. Save your favourites and compare side-by-side.