12 Carat Marquise Lab Grown Diamonds

Search over 33 12 Carat Marquise lab grown diamonds from 6 online retailers.Prices typically range from $2,073 to $10,950 depending on the diamond's shape, color, clarity, and other factors.For broader market trends, check our Diamond Price Indexes.

12 Carat Marquise Lab Grown Diamonds Available

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Showing up to 33 of 33 offers.

IGI | 12.01ct | Marquise | F | VVS2 | Very Good
Save 78.8%

IGI | 12.01ct | Marquise | F | VVS2 | Very Good

From $2,073

Compare at $9,767

8 stores
IGI | 12.03ct | Marquise | F | VS1 | Ideal
Save 73.2%

IGI | 12.03ct | Marquise | F | VS1 | Ideal

From $2,493

Compare at $9,298

7 stores
IGI | 12.03ct | Marquise | F | VVS2 | Ideal
Save 79.7%

IGI | 12.03ct | Marquise | F | VVS2 | Ideal

From $2,850

Compare at $14,060

4 stores
IGI | 12.05ct | Marquise | E | VS1 | Excellent
Save 73.6%

IGI | 12.05ct | Marquise | E | VS1 | Excellent

From $3,143

Compare at $11,902

9 stores
IGI | 12.07ct | Marquise | F | VVS2 | Ideal
Save 77.6%

IGI | 12.07ct | Marquise | F | VVS2 | Ideal

From $3,157

Compare at $14,100

3 stores
IGI | 12ct | Marquise | F | VVS2 | Ideal
Save 77.4%

IGI | 12ct | Marquise | F | VVS2 | Ideal

From $3,170

Compare at $14,020

3 stores
IGI | 12.03ct | Marquise | F | VVS2 | Excellent
Save 77.4%

IGI | 12.03ct | Marquise | F | VVS2 | Excellent

From $3,178

Compare at $14,050

3 stores
IGI | 12.05ct | Marquise | F | VVS2 | Ideal
Save 66.9%

IGI | 12.05ct | Marquise | F | VVS2 | Ideal

From $3,294

Compare at $9,944

5 stores
IGI | 12.02ct | Marquise | F | VVS2 | Ideal
Save 73.6%

IGI | 12.02ct | Marquise | F | VVS2 | Ideal

From $3,359

Compare at $12,705

5 stores
IGI | 12.05ct | Marquise | F | VVS2 | Very Good
Save 66.2%

IGI | 12.05ct | Marquise | F | VVS2 | Very Good

From $3,367

Compare at $9,956

5 stores
IGI | 12.05ct | Marquise | F | VVS2 | Very Good
Save 66.2%

IGI | 12.05ct | Marquise | F | VVS2 | Very Good

From $3,367

Compare at $9,956

5 stores
IGI | 12.09ct | Marquise | F | VVS2 | Ideal
Save 66.3%

IGI | 12.09ct | Marquise | F | VVS2 | Ideal

From $3,379

Compare at $10,019

5 stores
IGI | 12.02ct | Marquise | F | VVS2 | Ideal
Save 73.4%

IGI | 12.02ct | Marquise | F | VVS2 | Ideal

From $3,432

Compare at $12,914

5 stores
IGI | 12.03ct | Marquise | F | VVS2 | Ideal
Save 65.4%

IGI | 12.03ct | Marquise | F | VVS2 | Ideal

From $3,435

Compare at $9,936

5 stores
IGI | 12.07ct | Marquise | F | VS1 | Excellent
Save 64.7%

IGI | 12.07ct | Marquise | F | VS1 | Excellent

From $3,520

Compare at $9,961

5 stores
IGI | 12.07ct | Marquise | G | VVS2 | Very Good
Save 21.1%

IGI | 12.07ct | Marquise | G | VVS2 | Very Good

From $3,608

Compare at $4,574

2 stores
IGI | 12ct | Marquise | F | VVS2 | Ideal
Save 69.3%

IGI | 12ct | Marquise | F | VVS2 | Ideal

From $3,613

Compare at $11,760

3 stores
IGI | 12.02ct | Marquise | F | VVS2 | Ideal
Save 70.5%

IGI | 12.02ct | Marquise | F | VVS2 | Ideal

From $3,619

Compare at $12,260

3 stores
IGI | 12.03ct | Marquise | F | VVS2 | Excellent
Save 69.3%

IGI | 12.03ct | Marquise | F | VVS2 | Excellent

From $3,622

Compare at $11,785

4 stores
IGI | 12.08ct | Marquise | F | VVS2 | Ideal
Save 69.3%

IGI | 12.08ct | Marquise | F | VVS2 | Ideal

From $3,637

Compare at $11,835

3 stores
IGI | 12.09ct | Marquise | F | VVS2 | Excellent
Save 70.5%

IGI | 12.09ct | Marquise | F | VVS2 | Excellent

From $3,640

Compare at $12,330

3 stores
IGI | 12.03ct | Marquise | F | VVS2 | Excellent
Save 70.2%

IGI | 12.03ct | Marquise | F | VVS2 | Excellent

From $3,658

Compare at $12,270

3 stores
IGI | 12.06ct | Marquise | E | VS1 | Ideal
Save 69.1%

IGI | 12.06ct | Marquise | E | VS1 | Ideal

From $3,690

Compare at $11,935

3 stores
IGI | 12.02ct | Marquise | E | VVS2 | Ideal
Save 73.3%

IGI | 12.02ct | Marquise | E | VVS2 | Ideal

From $3,786

Compare at $14,180

3 stores
IGI | 12.02ct | Marquise | E | VVS2 | Ideal
Save 73.3%

IGI | 12.02ct | Marquise | E | VVS2 | Ideal

From $3,786

Compare at $14,180

3 stores
IGI | 12.02ct | Marquise | FANCY | VVS2
Save 79.3%

IGI | 12.02ct | Marquise | FANCY | VVS2

From $3,803

Compare at $18,359

2 stores
IGI | 12.02ct | Marquise | E | VS1 | Ideal
Save 75.9%

IGI | 12.02ct | Marquise | E | VS1 | Ideal

From $4,041

Compare at $16,800

7 stores
IGI | 12.02ct | Marquise | F | VS1 | Ideal
Save 73%

IGI | 12.02ct | Marquise | F | VS1 | Ideal

From $4,117

Compare at $15,230

3 stores
IGI | 12.03ct | Marquise | E | VVS2 | Very Good
Save 64.8%

IGI | 12.03ct | Marquise | E | VVS2 | Very Good

From $4,434

Compare at $12,586

5 stores
IGI | 12.04ct | Marquise | E | VVS2 | Very Good
Save 73.6%

IGI | 12.04ct | Marquise | E | VVS2 | Very Good

From $4,437

Compare at $16,795

5 stores
IGI | 12.08ct | Marquise | E | VVS2 | Ideal
Save 41.9%

IGI | 12.08ct | Marquise | E | VVS2 | Ideal

From $5,719

Compare at $9,841

3 stores
IGI | 12.03ct | Marquise | FANCY | VS1 | Very Good
Save 43.5%

IGI | 12.03ct | Marquise | FANCY | VS1 | Very Good

From $9,148

Compare at $16,187

2 stores
IGI | 12.01ct | Marquise | F | VVS2 | Ideal

IGI | 12.01ct | Marquise | F | VVS2 | Ideal

From $10,950

Compare at $11,765

2 stores

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