Lab Grown Radiant Cut Engagement Rings

Radiant cut engagement rings balance a geometric outline with strong sparkle in either an elongated or square shape. 2 carat radiant cut engagement rings are the best selling size in this collection. Leonids uses elongated radiant cut diamonds to create a longer outline, broad finger coverage, and a sleek modern look. Cropped corners and a modified brilliant facet pattern give each diamond crisp lines with lively brilliance and fire. Compare our 1, 2, & 3 carat options by millimeter size and length to width ratio, not carat weight alone. Choose a solitaire, side stone, three stone, five stone, or hidden halo setting in 14K gold or platinum. Each center diamond includes an IGI report. For a 2 ct radiant diamond ring, compare Serene’s round side accents with Bella’s four baguette side diamonds. Check each 2 carat radiant diamond’s millimeter measurements, then compare the complete ring price in your chosen metal. Add free engraving or contact Leonids to discuss a custom setting.

Bella丨1CT Radiant Lab Diamond Engagement Ring In 14K Solid Gold/Platinum - Rings
Bella丨1CT Radiant Lab Diamond Engagement Ring In 14K Solid Gold/Platinum - RingsBella丨1CT Radiant Lab Diamond Engagement Ring In 14K Solid Gold/Platinum - RingsBella丨1CT Radiant Lab Diamond Engagement Ring In 14K Solid Gold/Platinum - Rings

Bella丨1CT Radiant Lab Diamond Engagement Ring In 14K Solid Gold/Platinum

$1,470.00

Dahlia丨3CT Radiant Cut Lab Diamond Three Stone Engagement Ring In 14K Solid Gold/Platinum - Rings
Dahlia丨3CT Radiant Cut Lab Diamond Three Stone Engagement Ring In 14K Solid Gold/Platinum - RingsDahlia丨3CT Radiant Cut Lab Diamond Three Stone Engagement Ring In 14K Solid Gold/Platinum - RingsDahlia丨3CT Radiant Cut Lab Diamond Three Stone Engagement Ring In 14K Solid Gold/Platinum - Rings

Dahlia丨3CT Radiant Cut Lab Diamond Three Stone Engagement Ring In 14K Solid Gold/Platinum

$3,520.00

Serene丨3CT Radiant Cut Lab Diamond Side Stone Engagement Ring - Rings
Serene丨3CT Radiant Cut Lab Diamond Side Stone Engagement Ring - RingsSerene丨3CT Radiant Cut Lab Diamond Side Stone Engagement Ring - RingsSerene丨3CT Radiant Cut Lab Diamond Side Stone Engagement Ring - Rings

Serene丨3CT Radiant Cut Lab Diamond Side Stone Engagement Ring

$3,160.00

Liora丨1CT Radiant Cut Lab Grown Diamond Three Stones Engagment Ring - Rings
Liora丨1CT Radiant Cut Lab Grown Diamond Three Stones Engagment Ring - Rings1CT Radiant Cut Lab Grown Diamond Three Stones Engagment Ring - Rings1CT Radiant Cut Lab Grown Diamond Three Stones Engagment Ring - Rings

Liora丨1CT Radiant Cut Lab Grown Diamond Three Stones Engagement Ring

$1,340.00

Amira丨3CT Radiant Cut Lab Diamond Twisted Three Stones Engagement Ring - Rings
Amira丨3CT Radiant Cut Lab Diamond Twisted Three Stones Engagement Ring - RingsAmira丨3CT Radiant Cut Lab Diamond Twisted Three Stones Engagement Ring - RingsAmira丨3CT Radiant Cut Lab Diamond Twisted Three Stones Engagement Ring - Rings

Amira丨3CT Radiant Cut Lab Diamond Twisted Three-Stone Engagement Ring

$3,090.00

Callie丨2CT Radiant Cut Lab Diamond Milgrain Hidden Halo Engagement Ring - Rings
Callie丨2CT Radiant Cut Lab Diamond Milgrain Hidden Halo Engagement Ring - Rings2CT Radiant Cut Lab Diamond Milgrain Hidden Halo Engagement Ring - Rings2CT Radiant Cut Lab Diamond Milgrain Hidden Halo Engagement Ring - Rings

Callie丨2CT Radiant Cut Lab Diamond Milgrain Hidden Halo Engagement Ring

$2,140.00

Amira丨2CT Radiant Cut Lab Diamond Twisted Three Stones Engagement Ring - Rings
Amira丨2CT Radiant Cut Lab Diamond Twisted Three Stones Engagement Ring - RingsAmira丨2CT Radiant Cut Lab Diamond Twisted Three Stones Engagement Ring - RingsAmira丨2CT Radiant Cut Lab Diamond Twisted Three Stones Engagement Ring - Rings

Amira丨2CT Radiant Cut Lab Diamond Twisted Three-Stone Engagement Ring

$2,050.00

Dahlia丨1CT Radiant Cut Lab Diamond Three Stone Engagement Ring In 14K Solid Gold/Platinum - Rings
Dahlia丨1CT Radiant Cut Lab Diamond Three Stone Engagement Ring In 14K Solid Gold/Platinum - RingsDahlia丨1CT Radiant Cut Lab Diamond Three Stone Engagement Ring In 14K Solid Gold/Platinum - RingsDahlia丨1CT Radiant Cut Lab Diamond Three Stone Engagement Ring In 14K Solid Gold/Platinum - Rings

Dahlia丨1CT Radiant Cut Lab Diamond Three Stone Engagement Ring In 14K Solid Gold/Platinum

$1,990.00

Serene丨1CT Radiant Cut Lab Diamond Side Stone Engagement Ring - Rings
Serene丨1CT Radiant Cut Lab Diamond Side Stone Engagement Ring - RingsSerene丨1CT Radiant Cut Lab Diamond Side Stone Engagement Ring - RingsSerene丨1CT Radiant Cut Lab Diamond Side Stone Engagement Ring - Rings

Serene丨1CT Radiant Cut Lab Diamond Side Stone Engagement Ring

$1,340.00

Callie丨3CT Radiant Cut Lab Diamond Milgrain Hidden Halo Engagement Ring - Rings
Callie丨3CT Radiant Cut Lab Diamond Milgrain Hidden Halo Engagement Ring - Rings3CT Radiant Cut Lab Diamond Milgrain Hidden Halo Engagement Ring - Rings3CT Radiant Cut Lab Diamond Milgrain Hidden Halo Engagement Ring - Rings

Callie丨3CT Radiant Cut Lab Diamond Milgrain Hidden Halo Engagement Ring

$3,150.00

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Lab Grown Radiant Cut Engagement Rings FAQ

A square radiant has nearly equal sides and a ratio close to 1.00. An elongated radiant has a rectangular shape and a ratio above 1.20. The long version covers more of the finger. The square version looks neat and even. Source: Vogue 2026 Radiant Cut Guide.

Leonids sells lab grown radiant cut diamond engagement rings online. Consider Serene for round side accents or Bella for four baguette side diamonds. For a different band shape, consider Delaney in our radiant split shank engagement ring selection. It pairs a radiant-cut center diamond with a four-prong setting, twisted split shank, and pavé accents. Check the center-diamond details, metal options, complete ring price, delivery estimate, and return terms before choosing a ring.

At Leonids, Amelie pairs a 2 carat radiant center diamond with four small round side diamonds. Bella pairs the same center-stone weight with four baguette side diamonds. Compare their top and side views, band widths, and wedding band fit to choose the design you prefer.

First, check whether the price covers a loose diamond or a complete ring. Compare lab grown diamonds with lab grown diamonds, then review the color, clarity, grading report, measurements, and video. For complete rings, match the metal and compare the settings. Check the final cost and return terms before ordering.

Start with a length to width ratio between 1.30 and 1.45. A ratio near 1.30 creates a wider radiant shape. A ratio near 1.45 looks longer and slimmer. Before you choose, check the millimeter size and see how much of your finger the diamond covers.

A crushed ice radiant has many small reflections that create a glitter like look. A brilliant radiant shows larger, clearer flashes of light with a more defined facet pattern. Both styles can sparkle, but they create different visual effects. Source: Vogue 2026 Radiant Cut Guide. GIA 2025 Radiant Cut Instructions.

Some radiant cut diamonds show a bow tie effect across the center. It appears as a dark band when the diamond does not return light evenly. A faint bow tie may appear in certain lighting, but it should not control the center of the stone. Check videos and images in several lighting conditions before choosing a radiant diamond.

A 1 carat radiant diamond creates a refined look with moderate finger coverage. A 2 carat radiant has more width and a stronger presence. A 3 carat radiant creates a bold look and covers more of the finger. The exact size depends on the diamond’s length, width, depth, ratio, and your ring size. Source: IGI Carat Weight Guide.

Use both numbers. Carat weight tells you how much a diamond weighs. Millimeters show how large it looks. The same carat weight does not mean the same length and width. Check the measurements, length to width ratio, and finger coverage before you buy. Source: IGI Carat Weight and Physical Spread. GIA Carat Weight and Measurements.

A secure four prong or double claw setting works well with a radiant cut diamond. The prongs hold the cropped corners and keep the rectangular shape visible. A supportive basket or gallery rail adds stability for a larger center stone. Choose a solitaire for a clean look, a hidden halo for side sparkle, or a three stone setting for more finger coverage.

A raised radiant setting leaves room for a straight wedding band. A low or wide setting leaves less room between the rings. Choose a curved, contour, or open wedding band when you want a closer fit. Check the setting height, band width, and where the rings touch.