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The Opaline oval lab-grown diamond engagement ring in rose gold with a pavé band.

Oval Lab-Grown Diamond Rings

Looks bigger. Because it is an oval.

Real lab-grown diamonds in the shape that flatters every hand.

The oval spreads its light along her finger, so it looks bigger than it weighs and makes her hand look longer. It is the most-wanted engagement shape right now, and here it is a real diamond.

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21 products

Amelia Claire ring in yellow-gold finish, front view: oval blue center stone in four claw prongs, framed by a compass cluster of clear round accents and two blue pear accents.
The Amelia Claire Oval-Cut Lab-Grown Diamond Ring Sale priceFrom £2,226.95
The Dariana oval moissanite solitaire ring in solid gold.
The Dariana Oval-Cut Lab-Grown Diamond Ring Sale priceFrom £1,688.95
Close-up of a yellow-tone oval moissanite ring with multiple side stones resting on a plush cushion.
The Bella Jewel Oval-Cut Lab-Grown Diamond Ring Sale priceFrom £1,496.95
Valoria ring in rose-gold finish, front view: pale pink oval center stone in four claw prongs inside an open oval frame, clear round accents above and below, and filigree scrolls leading to side trios with one pink round on each side.
The Valoria Oval-Cut Lab-Grown Diamond Ring Sale priceFrom £652.95
The Fiorella blue oval cluster moissanite ring in rose gold, isolated product view
The Fiorella Oval-Cut Lab-Grown Diamond Ring Sale priceFrom £2,226.95
Gold-tone vintage ring with filigree scrollwork band and vertically set oval moissanite
The Celestine - Vintage Oval-Cut Lab-Grown Diamond Ring Sale priceFrom £1,036.95
The Carlotta 2 carat oval blue moissanite ring in solid gold, with a halo of clear stones, displayed on gray velvet.
The Carlotta Oval-Cut Lab-Grown Diamond Ring Sale priceFrom £2,226.95
A 3 carat oval pink moissanite ring in 14K or 18K solid yellow gold, featuring accent stones, shown on pink petals.
The Camilla Oval-Cut Lab-Grown Diamond Ring Sale priceFrom £2,763.95
Yellow-tone Novara ring with an oval center stone and green and clear side stones on a flat stone among flowers.
The Novara Oval-Cut Lab-Grown Diamond Ring Sale priceFrom £1,036.95
The Fiora Oval-Cut Lab-Grown Diamond Ring
The Fiora Oval-Cut Lab-Grown Diamond Ring Sale priceFrom £1,036.95
Silver oval moissanite ring with twisted band on stone.
The Lysandrielle Oval-Cut Lab-Grown Diamond Ring Sale priceFrom £1,036.95
The Opaline Solitaire Oval-Cut Lab-Grown Diamond Ring
The Opaline Solitaire Oval-Cut Lab-Grown Diamond Ring Sale priceFrom £1,036.95
Studio view of a silver-tone ring with an oval moissanite center stone and twisted band with pavé accent stones.
The Twisted Oval-Cut Lab-Grown Diamond Ring Sale priceFrom £498.95
The Ornella Oval-Cut Lab-Grown Diamond Ring
The Ornella Oval-Cut Lab-Grown Diamond Ring Sale priceFrom £1,496.95
The Opaline 4.5CT oval moissanite three-stone ring in 14K or 18K solid gold.
The Opaline Three Stone Oval-Cut Lab-Grown Diamond Ring Sale priceFrom £2,226.95
The Amorette ring featuring a 2 carat oval moissanite center stone in 14K solid gold.
The Amorette Oval-Cut Lab-Grown Diamond Ring Sale priceFrom £1,036.95
The Liana 3 carat oval moissanite ring in 14K solid white gold.
The Liana Oval-Cut Lab-Grown Diamond Ring Sale priceFrom £1,496.95
The Alina 1 carat oval-cut moissanite ring with round side stones, crafted in 14K solid gold.
The Alina Oval-Cut Lab-Grown Diamond Ring Sale priceFrom £1,036.95
The Luna 2 carat oval-cut moissanite solid gold ring with simulated diamond band
The Luna Oval-Cut Lab-Grown Diamond Ring Sale priceFrom £1,036.95
A 2-carat oval moissanite ring with a pavé band in 14K solid rose gold.
The Opaline Oval-Cut Lab-Grown Diamond Ring Sale priceFrom £1,036.95
The Celestine 2 carat oval moissanite ring in solid gold with a full eternity band.
The Celestine Oval-Cut Lab-Grown Diamond Ring Sale priceFrom £1,036.95

Why the oval wins

Carat for carat, an oval shows more surface than a round, and its long outline flatters every hand. It throws brilliant-style sparkle without looking like everyone else's ring.

Choose a classic solitaire, a pavé band that sparkles all the way down, a halo that makes the center look even bigger, or a three-stone that tells your story. Prefer color? The oval comes in blue and green and pink too. See every shape in lab-grown diamond rings.

Frequently Asked Questions

Does an oval diamond really look bigger?

Yes. Its elongated outline shows more surface on top than a round of the same weight, so a 2 ct oval reads larger on the hand.

Can I get an oval in a colored diamond?

Yes. Several oval designs open on blue, green or pink. Prefer classic white? Pick it on the product page.