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Grown Leo 1.5 Carat Marquise Loose Lab Grown Diamond, F Color, VS1 Clarity, IGI CertifiedRegular price $469.00 -
Grown Leo 1.5 Carat Princess Loose Lab Grown Diamond, F Color, VS1 Clarity, IGI CertifiedRegular price $389.00 -
Grown Leo 1.5 Carat Heart Loose Lab Grown Diamond, F Color, VS1 Clarity, IGI CertifiedRegular price $419.00 -
Grown Leo 1.5 Carat Asscher Loose Lab Grown Diamond, F Color, VS1 Clarity, IGI CertifiedRegular price $409.00 -
Grown Leo 1.5 Carat Round Loose Lab Grown Diamond, D Color, VVS2 Clarity, IGI CertifiedRegular price $439.00 -
Grown Leo 1.5 Carat Oval Loose Lab Grown Diamond, D Color, VVS2 Clarity, IGI CertifiedRegular price $459.00 -
Grown Leo 1.5 Carat Pear Loose Lab Grown Diamond, D Color, VVS2 Clarity, IGI CertifiedRegular price $449.00 -
Grown Leo 1.5 Carat Emerald Loose Lab Grown Diamond, D Color, VVS2 Clarity, IGI CertifiedRegular price $419.00 -
Grown Leo 1.5 Carat Radiant Loose Lab Grown Diamond, D Color, VVS2 Clarity, IGI CertifiedRegular price $419.00 -
Grown Leo 1.5 Carat Cushion Loose Lab Grown Diamond, D Color, VVS2 Clarity, IGI CertifiedRegular price $439.00 -
Grown Leo 1.5 Carat Marquise Loose Lab Grown Diamond, D Color, VVS2 Clarity, IGI CertifiedRegular price $559.00
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Grown Leo 1.5 Carat Princess Loose Lab Grown Diamond, D Color, VVS2 Clarity, IGI CertifiedRegular price $439.00
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Grown Leo 1.5 Carat Heart Loose Lab Grown Diamond, D Color, VVS2 Clarity, IGI CertifiedRegular price $469.00
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Grown Leo 1.5 Carat Asscher Loose Lab Grown Diamond, D Color, VVS2 Clarity, IGI CertifiedRegular price $439.00
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Grown Leo 1.5 Carat Round Loose Lab Grown Diamond, E Color, VS1 Clarity, IGI CertifiedRegular price $419.00
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Grown Leo 1.5 Carat Oval Loose Lab Grown Diamond, E Color, VS1 Clarity, IGI CertifiedRegular price $439.00
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Grown Leo 1.5 Carat Pear Loose Lab Grown Diamond, E Color, VS1 Clarity, IGI CertifiedRegular price $409.00
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Grown Leo 1.5 Carat Emerald Loose Lab Grown Diamond, E Color, VS1 Clarity, IGI CertifiedRegular price $389.00
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Grown Leo 1.5 Carat Radiant Loose Lab Grown Diamond, E Color, VS1 Clarity, IGI CertifiedRegular price $389.00
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Grown Leo 1.5 Carat Cushion Loose Lab Grown Diamond, E Color, VS1 Clarity, IGI CertifiedRegular price $409.00
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Helpful Guides
How to choose a 1.5 carat lab grown diamond
Carat is a weight, not a size. A 1.5 carat round brilliant is about 7.3 mm wide, while elongated shapes such as oval, pear and marquise look larger face-up at the same weight. Square shapes like princess and asscher carry more weight in their depth and face up a little smaller.
Color and clarity at 1.5 carats
Color and inclusions are easier to see in bigger stones, so every diamond in this collection is graded D, E or F color (colorless) with VVS1 to VS2 clarity. Compare the grades in our D color, E color and F color collections, or read the 4Cs of diamonds guide.
Compare other sizes
Not sure about size? Compare with smaller lab grown diamonds or step up to larger lab grown diamonds, shop all IGI certified lab diamonds, or browse every loose lab grown diamond. Once you have your stone, pair it with one of our lab grown diamond engagement rings.
Frequently Asked Questions
How big is a 1.5 carat lab grown diamond?
A 1.5 carat round brilliant lab grown diamond measures about 7.3 mm in diameter. Elongated shapes such as oval, pear and marquise look larger face-up at the same carat weight.
What color and clarity are your 1.5 carat diamonds?
Every 1.5 carat diamond in this collection is D, E or F color (colorless) with VVS1, VVS2, VS1 or VS2 clarity, all eye-clean grades.
Are lab grown diamonds real diamonds?
Yes. Lab grown diamonds have the same chemical, physical and optical properties as mined diamonds; only their origin is different. Each loose diamond on Grown Leo comes with an IGI grading report.