3 Carat Marquise Lab Grown Diamonds

Search over 7,179 3 Carat Marquise lab grown diamonds from 13 online retailers.Prices typically range from $636 to $16,745 depending on the diamond's shape, color, clarity, and other factors.For broader market trends, check our Diamond Price Indexes.

3 Carat Marquise Lab Grown Diamonds Available

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Showing up to 50 of 7,179 offers.

3.01ct | Marquise | G | VVS2 | IdealIGI
Save 35.9%

3.01ct | Marquise | G | VVS2 | Ideal

From $636

Compare at $992

3 stores
3.02ct | Marquise | G | VS1 | IdealIGI
Save 35.2%

3.02ct | Marquise | G | VS1 | Ideal

From $637

Compare at $983

3 stores
3.02ct | Marquise | G | VS1 | ExcellentIGI
Save 67.7%

3.02ct | Marquise | G | VS1 | Excellent

From $637

Compare at $1,974

5 stores
3.02ct | Marquise | G | VS1 | ExcellentIGI
Save 67.7%

3.02ct | Marquise | G | VS1 | Excellent

From $637

Compare at $1,974

5 stores
2.98ct | Marquise | H | VVS2 | ExcellentIGI
Save 25.8%

2.98ct | Marquise | H | VVS2 | Excellent

From $638

Compare at $860

3 stores
3.03ct | Marquise | G | VS1 | IdealIGI
Save 67.7%

3.03ct | Marquise | G | VS1 | Ideal

From $639

Compare at $1,980

5 stores
3ct | Marquise | G | VVS2 | IdealIGI
Save 35.4%

3ct | Marquise | G | VVS2 | Ideal

From $639

Compare at $989

3 stores
3.04ct | Marquise | G | VS1 | ExcellentIGI
Save 67.8%

3.04ct | Marquise | G | VS1 | Excellent

From $640

Compare at $1,986

5 stores
3.01ct | Marquise | G | VS1 | ExcellentIGI
Save 67.8%

3.01ct | Marquise | G | VS1 | Excellent

From $641

Compare at $1,989

5 stores
IGI
Save 35.4%

3.01ct | Marquise | G | VVS2 | Ideal

From $641

Compare at $992

3 stores
IGI
Save 35.6%

3.03ct | Marquise | G | VVS2 | Ideal

From $644

Compare at $999

3 stores
3.03ct | Marquise | G | VS1 | ExcellentIGI
Save 67.8%

3.03ct | Marquise | G | VS1 | Excellent

From $644

Compare at $2,001

5 stores
3.03ct | Marquise | G | VVS2 | ExcellentIGI
Save 67.8%

3.03ct | Marquise | G | VVS2 | Excellent

From $644

Compare at $2,001

5 stores
3.03ct | Marquise | G | VS1 | IdealIGI
Save 67.8%

3.03ct | Marquise | G | VS1 | Ideal

From $644

Compare at $2,001

5 stores
3.03ct | Marquise | G | VS1 | IdealIGI
Save 35.6%

3.03ct | Marquise | G | VS1 | Ideal

From $644

Compare at $999

3 stores
IGI
Save 26.6%

3.03ct | Marquise | G | VVS2 | Ideal

From $644

Compare at $877

2 stores
3.04ct | Marquise | G | VVS2 | ExcellentIGI
Save 67.9%

3.04ct | Marquise | G | VVS2 | Excellent

From $645

Compare at $2,007

5 stores
3.04ct | Marquise | G | VS1 | ExcellentIGI
Save 67.9%

3.04ct | Marquise | G | VS1 | Excellent

From $645

Compare at $2,007

5 stores
3.04ct | Marquise | G | VS1 | IdealIGI
Save 67.9%

3.04ct | Marquise | G | VS1 | Ideal

From $645

Compare at $2,007

5 stores
2.97ct | Marquise | H | VS1 | ExcellentIGI
Save 61.5%

2.97ct | Marquise | H | VS1 | Excellent

From $649

Compare at $1,684

5 stores
2.98ct | Marquise | H | VS1 | ExcellentIGI
Save 24.4%

2.98ct | Marquise | H | VS1 | Excellent

From $650

Compare at $860

3 stores
2.98ct | Marquise | H | VS1 | ExcellentIGI
Save 24.4%

2.98ct | Marquise | H | VS1 | Excellent

From $650

Compare at $860

3 stores
2.98ct | Marquise | H | VS1 | ExcellentIGI
Save 61.5%

2.98ct | Marquise | H | VS1 | Excellent

From $650

Compare at $1,688

5 stores
3ct | Marquise | G | VS1 | ExcellentIGI
Save 33.7%

3ct | Marquise | G | VS1 | Excellent

From $654

Compare at $986

3 stores
3ct | Marquise | G | VVS2 | ExcellentIGI
Save 33.7%

3ct | Marquise | G | VVS2 | Excellent

From $654

Compare at $986

3 stores
3ct | Marquise | G | VS1 | IdealIGI
Save 80.5%

3ct | Marquise | G | VS1 | Ideal

From $654

Compare at $3,360

6 stores
3.01ct | Marquise | H | VS1 | IdealIGI
Save 53.2%

3.01ct | Marquise | H | VS1 | Ideal

From $654

Compare at $1,397

5 stores
3.01ct | Marquise | H | VVS2 | ExcellentIGI
Save 63.7%

3.01ct | Marquise | H | VVS2 | Excellent

From $655

Compare at $1,805

5 stores
2.97ct | Marquise | H | VVS2 | ExcellentIGI
Save 68.1%

2.97ct | Marquise | H | VVS2 | Excellent

From $655

Compare at $2,051

5 stores
3.01ct | Marquise | G | VS1 | IdealIGI
Save 33.7%

3.01ct | Marquise | G | VS1 | Ideal

From $655

Compare at $989

3 stores
3.01ct | Marquise | G | VS1 | ExcellentIGI
Save 33.7%

3.01ct | Marquise | G | VS1 | Excellent

From $655

Compare at $989

3 stores
3.01ct | Marquise | G | VS1 | IdealIGI
Save 80.6%

3.01ct | Marquise | G | VS1 | Ideal

From $655

Compare at $3,370

6 stores
3.01ct | Marquise | G | VS1 | IdealIGI
Save 33.7%

3.01ct | Marquise | G | VS1 | Ideal

From $655

Compare at $989

3 stores
3.01ct | Marquise | G | VS1 | IdealIGI
Save 80.6%

3.01ct | Marquise | G | VS1 | Ideal

From $655

Compare at $3,370

6 stores
3.01ct | Marquise | G | VS1 | ExcellentIGI
Save 80.6%

3.01ct | Marquise | G | VS1 | Excellent

From $655

Compare at $3,370

6 stores
3.01ct | Marquise | G | VS1 | IdealIGI
Save 80.6%

3.01ct | Marquise | G | VS1 | Ideal

From $655

Compare at $3,370

6 stores
3.01ct | Marquise | G | VS1 | IdealIGI
Save 80.6%

3.01ct | Marquise | G | VS1 | Ideal

From $655

Compare at $3,370

6 stores
3.01ct | Marquise | G | VS1 | ExcellentIGI
Save 80.6%

3.01ct | Marquise | G | VS1 | Excellent

From $655

Compare at $3,370

6 stores
3.01ct | Marquise | G | VS1 | ExcellentIGI
Save 80.6%

3.01ct | Marquise | G | VS1 | Excellent

From $655

Compare at $3,370

6 stores
3.02ct | Marquise | G | VS2 | Very GoodIGI
Save 21.3%

3.02ct | Marquise | G | VS2 | Very Good

From $656

Compare at $833

2 stores
2.98ct | Marquise | H | VVS2 | ExcellentIGI
Save 63.8%

2.98ct | Marquise | H | VVS2 | Excellent

From $656

Compare at $1,811

5 stores
IGI
Save 33.8%

3.02ct | Marquise | G | VS1 | Excellent

From $657

Compare at $992

3 stores
IGI
Save 80.6%

3.02ct | Marquise | G | VS2 | Excellent

From $657

Compare at $3,380

4 stores
3.02ct | Marquise | G | VS1 | IdealIGI
Save 33.8%

3.02ct | Marquise | G | VS1 | Ideal

From $657

Compare at $992

3 stores
3.02ct | Marquise | G | VS2 | ExcellentIGI
Save 82.2%

3.02ct | Marquise | G | VS2 | Excellent

From $657

Compare at $3,690

4 stores
3.02ct | Marquise | G | VS2 | ExcellentIGI
Save 86.1%

3.02ct | Marquise | G | VS2 | Excellent

From $657

Compare at $4,710

7 stores
3.02ct | Marquise | G | VS1 | IdealIGI
Save 80.6%

3.02ct | Marquise | G | VS1 | Ideal

From $657

Compare at $3,380

6 stores
3.02ct | Marquise | G | VS2 | Very GoodIGI
Save 81.4%

3.02ct | Marquise | G | VS2 | Very Good

From $657

Compare at $3,530

7 stores
IGI
Save 33.8%

3.02ct | Marquise | G | VVS2 | Ideal

From $657

Compare at $992

3 stores
3.02ct | Marquise | G | VS1 | IdealIGI
Save 80.6%

3.02ct | Marquise | G | VS1 | Ideal

From $657

Compare at $3,380

6 stores

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