Oval vs Radiant Diamond: Which Shape Suits You?

Oval and radiant diamonds are both elongated, flattering shapes that look larger than a round of the same carat weight. The difference comes down to softness versus structure.

Oval Radiant
Outline Soft and curved Rectangular with cut corners
Sparkle Brilliant, like a round Brilliant, with a crushed-ice look
On the hand Elegant and lengthening Bold and modern
Bow-tie effect Can show a dark bow-tie across the centre Less common
Best settings Solitaire, hidden halo, three-stone Solitaire, hidden halo, bezel

Choose an oval if

You want a soft, romantic shape that flatters the finger and looks large for its carat weight. Ovals suit both delicate and substantial settings. Browse oval engagement rings.

Choose a radiant if

You want the sparkle of a brilliant cut with the clean geometry of an emerald cut. Radiants sit well with modern, architectural settings.

What to check on the certificate

For both shapes, look at the length-to-width ratio. Around 1.3 to 1.5 is the usual range, and it tells you how elongated the stone is before you see it. Every Noir Flare lab-grown diamond comes with an IGI certificate, and every natural diamond with a GIA certificate. On ovals, ask to see the stone or a video, since a bow-tie shadow doesn't appear on a certificate.

Price

For the same carat weight and quality, both shapes usually cost less than a round brilliant, because they waste less of the rough stone during cutting.

Not sure which suits? Book a consultation in Birmingham and try both on, or browse all engagement rings.

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