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The Celestine radiant-cut lab-grown diamond engagement ring in rose gold.

Radiant-Cut Lab-Grown Diamond Rings

The sparkliest rectangle in diamonds.

Radiant-cut lab-grown diamonds with brilliant fire and clean modern lines.

The fire of a round brilliant in the clean outline of an emerald cut. The radiant is the sparkliest rectangle in diamonds.

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5 products

Rose-gold-toned ring with a radiant-cut blue moissanite and pale accent stones on a green leaf
The Katalina Radiant-Cut Lab-Grown Diamond Ring Sale priceFrom $2,499.95
The Celestine solid gold ring featuring a radiant-cut moissanite center stone.
The Celestine Radiant-Cut Lab-Grown Diamond Ring Sale priceFrom $1,349.95
Silver-colored solitaire ring with a radiant-cut moissanite in a four-prong setting, front studio view.
3CT Radiant Cut Solitaire Lab Diamond Ring Radiant-Cut Lab-Grown Diamond Ring Sale priceFrom $1,949.95
The Bethany radiant cut blue moissanite halo ring in solid gold
The Bethany Radiant-Cut Lab-Grown Diamond Ring Sale priceFrom $3,599.95
Silver-colored radiant-cut moissanite ring with accent stones, studio front view.
The Radiant Eternity Radiant-Cut Lab-Grown Diamond Ring Sale priceFrom $1,949.95

Crisp shape, full sparkle

Radiant cuts trim the corners of a rectangle and fill it with brilliant facets, so you get modern straight lines with nonstop light. It is durable, it is dazzling, and it looks expensive from across the room.

Choose a bold three-carat solitaire, an eternity-style band, or a radiant in blue. Prefer step facets? See emerald cut. All shapes: lab-grown diamond rings.