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Lab-Grown Marquise Diamond Rings

Discover the unique elegance of lab-grown marquise diamond rings at KAY.
60 Results items returned.
60 Results items returned.
Now + Forever Lab-Grown Diamonds Marquise-Cut Solitaire Engagement Ring 2 ct tw 14K Yellow Gold (F/SI2) (F/SI2)

Online Exclusive

$4,999.99 
Now + Forever Lab-Grown Diamonds Marquise-Cut Solitaire Engagement Ring 2 ct tw 14K Rose Gold (F/SI2) (F/SI2)

Online Exclusive

$4,999.99 
Now + Forever Lab-Grown Diamonds Marquise-Cut Solitaire Engagement Ring 1 ct tw 14K Rose Gold (F/SI2)

Online Exclusive

$1,999.99 
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Now + Forever Lab-Grown Diamonds Marquise-Cut Solitaire Engagement Ring 1 ct tw 14K Yellow Gold (F/SI2)

$1,999.99 
Now + Forever Lab-Grown Diamonds Marquise-Cut Solitaire Ring 2 ct tw 14K White Gold (F/SI2)

$4,999.99 
Now + Forever Lab-Grown Diamonds Marquise-Cut Engagement Ring 2 ct tw 14K Rose Gold

Online Exclusive

$4,699.99 
Now + Forever Lab-Grown Diamonds Marquise-Cut Diamond Engagement Ring 1-1/2 ct tw 14K White Gold

$2,999.99 
Now + Forever Lab-Grown Diamonds Marquise-Cut Seven-Stone Anniversary Ring 2 ct tw 14K Rose Gold

Online Exclusive

$4,499.99 
Monique Lhuillier Bliss Marquise-Cut Lab-Grown Diamond Engagement Ring 3-7/8 ct tw 18K Two-Tone Gold

New

$9,299.99 
Neil Lane Artistry Marquise-Cut Lab-Grown Diamond Double Halo Engagement Ring 2 ct tw 14K White Gold

$3,799.99 
Monique Lhuillier Bliss Marquise-Cut Lab-Grown Diamond Engagement Ring 2-1/2 ct tw 18K Rose Gold

Online Exclusive

$6,799.99 
Neil Lane Artistry Pear, Marquise & Round-Cut Lab-Grown Diamond Enhancer Ring 1 ct tw 14K White Gold

$2,799.99 
Neil Lane Artistry Marquise-Cut Lab-Grown Diamond Halo Engagement Ring 2 ct tw 14K White Gold

$3,799.99 
Now + Forever Lab-Grown Diamonds Marquise-Cut Halo Engagement Ring 3/4 ct tw 14K White Gold

New

$999.99 
Previously Owned Lab-Grown Diamonds Marquise-Cut Engagement Ring 2 ct tw 14K White Gold

Previously Owned

$2,349.99 
50% off
Was $4,699.99 
Previously Owned Neil Lane Artistry Marquise-Cut Lab-Grown Diamond Anniversary Band 3/4 ct tw 14K Yellow Gold

Previously Owned

$1,139.99 
40% off
Was $1,899.99 
Previously Owned Neil Lane Artistry Marquise & Round-Cut Lab-Grown Diamond Anniversary Band 1-1/2 ct tw 14K White Gold

Previously Owned

$1,679.99 
40% off
Was $2,799.99 
Previously Owned Lab-Grown Diamonds Marquise-Cut Diamond Engagement Ring 1-1/2 ct tw 14K White Gold

Previously Owned

$1,979.99 
40% off
Was $3,299.99 
Previously Owned Neil Lane Artistry Marquise-Cut Lab-Grown Diamond Anniversary Band 3/4 ct tw 14K White Gold

Previously Owned

$1,139.99 
40% off
Was $1,899.99 
Previously Owned Neil Lane Artistry Marquise & Round-Cut Lab-Grown Diamond Anniversary Band 3/4 ct tw 14K White Gold

Previously Owned

$1,139.99 
40% off
Was $1,899.99 
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Memories Moments Magic Lab-Grown Diamonds Marquise-Cut Three-Stone Engagement Ring 3-7/8 ct tw 14K White Gold

Clearance

$5,099.99 
40% off
Was $8,499.99 
Now + Forever Marquise-Cut Lab-Grown Diamond Engagement Ring 3-1/2 ct tw 14K Yellow Gold

New

$7,999.99 
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Neil Lane Artistry Marquise-Cut Lab-Grown Diamond Engagement Ring 2 ct tw 14K White Gold

$4,899.99 
Oval & Marquise-Cut Lab-Grown Diamond Fashion Ring 1/3 ct tw 10K Yellow Gold

Online Exclusive

$749.99 
Monique Lhuillier Bliss Marquise-Cut Lab-Grown Diamond Anniversary Ring 1/3 ct tw 18K Yellow Gold

$1,399.99 
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Neil Lane Artistry Marquise-Cut Lab-Grown Diamond Engagement Ring 2 ct tw 14K White Gold

Clearance

$2,339.99 
40% off
Was $3,899.99 
Neil Lane Artistry Marquise & Round-Cut Lab-Grown Diamond Three-Row Anniversary Ring 1-1/4 ct tw 14K White Gold

$2,899.99 
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Now + Forever Lab-Grown Diamonds Marquise-Cut Double Halo Engagement Ring 3/4 ct tw 14K White Gold

$999.99 
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Lab-Grown Diamonds Marquise-Cut Engagement Ring 2 ct tw 14K White Gold

Clearance

$2,819.99 
40% off
Was $4,699.99 
Now + Forever Lab-Grown Diamonds Marquise & Round-Cut Two-Row Contour Ring 3/4 ct tw 14K White Gold

$1,699.99 
Now + Forever Lab-Grown Diamonds Marquise & Round-Cut Enhancer Ring 1-1/2 ct tw 14K Yellow Gold

$2,999.99 
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Now + Forever Lab-Grown Diamonds Marquise-Cut Halo Engagement Ring 2-1/4 ct tw 14K White Gold

Clearance

$2,879.99 
40% off
Was $4,799.99 
Monique Lhuillier Bliss Marquise & Round-Cut Lab-Grown Diamond Anniversary Ring 7/8 ct tw 18K White Gold

$2,599.99 
Neil Lane Artistry Marquise-Cut Lab-Grown Diamond Engagement Ring 1-7/8 ct tw 14K White Gold

Clearance

$2,219.99 
40% off
Was $3,699.99 
Now + Forever Lab-Grown Diamonds Marquise & Round-Cut Anniversary Ring 1 ct tw 14K Yellow Gold

$1,899.99 
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Neil Lane Artistry Marquise-Cut Lab-Grown Diamond Anniversary Band 3/4 ct tw 14K White Gold

$1,899.99 
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THE LEO Legacy Lab-Grown Diamond Marquise-Cut Engagement Ring 1-1/2 ct tw 14K White Gold

Clearance

$2,399.99 
40% off
Was $3,999.99 
Now + Forever Lab-Grown Diamonds Marquise-Cut Solitaire Plus Engagement Ring 1-7/8 ct tw 14K Yellow Gold (F/VS2)

New

$3,899.99 
Monique Lhuillier Bliss Marquise-Cut Lab-Grown Diamond Halo Engagement Ring 2 ct tw 18K White Gold

$4,199.99 
Neil Lane Artistry Marquise & Round-Cut Lab-Grown Diamond Two-Row Anniversary Ring 1 ct tw 14K White Gold

$2,199.99 
Monique Lhuillier Bliss Marquise-Cut Lab-Grown Diamond Cuff Wedding Band 1/3 ct tw 18K White Gold

$1,399.99 
Now + Forever Lab-Grown Diamonds Marquise-Cut Halo Engagement Ring 1-1/4 ct tw 14K Rose Gold

Online Exclusive

$2,699.99 
Showing 42 of 60 products
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