Radiant Cut Lab Diamond Engagement Rings of Various Sizes

custom radiant lab diamond engagement rings in multiple sizes
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Radiant Cut Lab Diamond Engagement Rings of Various Sizes

A radiant cut engagement ring is a brilliant style cut created the 1970’s that combines the best attributes of a round brilliant and the emerald cut. The beautiful symmetry and beveled edges of this shape looks stunning in a variety of setting styles.

Radiant cut diamonds come in different proportions; some in more square, and some more elongated. The length to width ratio of the diamond (simply, the length divided by the width), determines how slender or wide the diamond is. A smaller length to width ratio indicates a more square radiant cut. It is unusual to find a length/width ratio for an elongated radiant above 1.25, especially on larger carat weights

You may be wondering,  “What is the size difference between a 1ct and 2ct radiant cut diamond?” We’ve got you covered. See below for examples of radiant cut lab diamond engagement rings in 1ct, 1.5ct, 2ct, 2.25ct, 2.5ct, 3.0ct, 3.5ct, and 4.0ct sizes.


1 Carat Solitaire Engagement Ring

Platinum solitaire engagement ring featuring a 1.0 carat radiant cut lab grown diamond with 1.5 length to width ratio, ring size: 5.75

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1.5 Carat Halo Engagement Ring

18k white gold halo engagement ring, featuring a 1.5 carat radiant cut lab diamond with a 1.24 length to width ratio, ring size: 6

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1.5 Carat Three Stone Engagement Ring

18k white gold three stone engagement ring, featuring a 1.5 carat radiant cut lab diamond with a 1.35 length to width ratio and 0.54 carat trillion cut side stones, ring size: 6

See additional design details, drop a hint, or watch the video of this custom piece


2.0 Carat Diamond Band Engagement Ring

Platinum diamond band engagement ring featuring a 2.0 carat radiant cut lab diamond with a 1.19 length to width ratio, ring size: 8.5

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2.25 Carat Diamond Band Engagement Ring

Platinum diamond band engagement ring featuring a 2.25 carat radiant cut lab diamond with a 1.24 length to width ratio, ring size: 4.5

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2.5 Carat Halo Engagement Ring

Platinum and 18k yellow gold halo engagement ring, featuring a 2.50 carat fancy vivid yellow radiant cut lab diamond with a 1.0 length to width ratio, ring size: 5.75

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3.0 Carat Diamond Band Engagement Ring

Platinum diamond band engagement ring featuring a 3.0 carat radiant cut lab diamond with a 1.15 length to width ratio, ring size: 6

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3.5 Carat Diamond Band Engagement Ring

Platinum diamond band engagement ring, featuring a 3.5 carat radiant cut lab diamond with a 1.32 length to width ratio, ring size: 7

See additional design details, drop a hint, or watch the video of the custom piece


4.0 Carat Three Stone Engagement Ring

Platinum three stone engagement ring, featuring a 4.0 carat radiant cut lab diamond with a 1.24 length to width ratio and 0.53 carat trillion cut side stones, ring size: 5

See additional design details, drop a hint, or watch the video of this custom piece


Ada Diamonds