1.8 Carat Round Lab Grown Diamonds

Search over 4,324 1.8 Carat Round lab grown diamonds from 11 online retailers.Prices typically range from $499 to $69,818 depending on the diamond's shape, color, clarity, and other factors.For broader market trends, check our Diamond Price Indexes.

1.8 Carat Round Lab Grown Diamonds Available

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Showing up to 50 of 4,324 offers.

1.76ct | Round | H | VVS2 | IdealIGI
Save 39.3%

1.76ct | Round | H | VVS2 | Ideal

From $499

Compare at $823

2 stores
1.79ct | Round | H | VVS2 | IdealIGI
Save 64.9%

1.79ct | Round | H | VVS2 | Ideal

From $504

Compare at $1,438

3 stores
1.8ct | Round | E | SI1 | IdealIGI
Save 63.7%

1.8ct | Round | E | SI1 | Ideal

From $505

Compare at $1,390

4 stores
1.78ct | Round | J | SI1 | IdealIGI
Save 79.5%

1.78ct | Round | J | SI1 | Ideal

From $505

Compare at $2,460

5 stores
1.8ct | Round | H | VVS2 | Very GoodIGI
Save 39.9%

1.8ct | Round | H | VVS2 | Very Good

From $506

Compare at $841

2 stores
1.8ct | Round | H | VVS2 | IdealIGI
Save 80.8%

1.8ct | Round | H | VVS2 | Ideal

From $506

Compare at $2,630

5 stores
1.75ct | Round | E | SI1 | ExcellentIGI
Save 39.9%

1.75ct | Round | E | SI1 | Excellent

From $506

Compare at $842

3 stores
1.81ct | Round | H | VVS2 | ExcellentIGI
Save 80.9%

1.81ct | Round | H | VVS2 | Excellent

From $507

Compare at $2,650

5 stores
1.76ct | Round | F | SI1 | ExcellentIGI
Save 78.4%

1.76ct | Round | F | SI1 | Excellent

From $509

Compare at $2,360

4 stores
1.76ct | Round | F | SI1 | ExcellentIGI
Save 78.4%

1.76ct | Round | F | SI1 | Excellent

From $509

Compare at $2,360

4 stores
1.76ct | Round | F | SI1 | ExcellentIGI
Save 78.4%

1.76ct | Round | F | SI1 | Excellent

From $509

Compare at $2,360

4 stores
1.81ct | Round | D | SI1 | IdealIGI
Save 78.1%

1.81ct | Round | D | SI1 | Ideal

From $510

Compare at $2,330

5 stores
1.77ct | Round | F | SI1 | ExcellentIGI
Save 78.5%

1.77ct | Round | F | SI1 | Excellent

From $510

Compare at $2,370

6 stores
1.83ct | Round | H | VVS2 | ExcellentIGI
Save 80.9%

1.83ct | Round | H | VVS2 | Excellent

From $511

Compare at $2,670

5 stores
1.83ct | Round | H | VVS2 | ExcellentIGI
Save 80.9%

1.83ct | Round | H | VVS2 | Excellent

From $511

Compare at $2,670

5 stores
1.8ct | Round | F | SI1 | IdealIGI
Save 75.3%

1.8ct | Round | F | SI1 | Ideal

From $512

Compare at $2,070

5 stores
1.78ct | Round | F | SI1 | ExcellentIGI
Save 78.6%

1.78ct | Round | F | SI1 | Excellent

From $512

Compare at $2,390

5 stores
1.78ct | Round | F | SI1 | ExcellentIGI
Save 78.6%

1.78ct | Round | F | SI1 | Excellent

From $512

Compare at $2,390

6 stores
1.83ct | Round | E | SI1 | IdealIGI
Save 73%

1.83ct | Round | E | SI1 | Ideal

From $513

Compare at $1,900

4 stores
1.8ct | Round | F | SI1 | ExcellentIGI
Save 40.6%

1.8ct | Round | F | SI1 | Excellent

From $515

Compare at $866

3 stores
1.8ct | Round | F | VS2 | Very GoodIGI
Save 64.6%

1.8ct | Round | F | VS2 | Very Good

From $515

Compare at $1,455

4 stores
1.83ct | Round | F | SI1 | ExcellentIGI
Save 78.8%

1.83ct | Round | F | SI1 | Excellent

From $519

Compare at $2,450

5 stores
1.78ct | Round | E | SI1 | ExcellentIGI
Save 78.9%

1.78ct | Round | E | SI1 | Excellent

From $520

Compare at $2,470

5 stores
1.84ct | Round | F | SI1 | ExcellentIGI
Save 78.8%

1.84ct | Round | F | SI1 | Excellent

From $521

Compare at $2,460

6 stores
1.75ct | Round | H | VS1 | IdealIGI
Save 41.5%

1.75ct | Round | H | VS1 | Ideal

From $525

Compare at $898

2 stores
1.75ct | Round | H | VS1 | IdealIGI
Save 78.7%

1.75ct | Round | H | VS1 | Ideal

From $525

Compare at $2,460

5 stores
1.76ct | Round | H | VS1 | ExcellentIGI
Save 65.7%

1.76ct | Round | H | VS1 | Excellent

From $527

Compare at $1,537

3 stores
1.76ct | Round | H | VS1 | ExcellentIGI
Save 78.8%

1.76ct | Round | H | VS1 | Excellent

From $527

Compare at $2,480

5 stores
1.76ct | Round | H | VS1 | IdealIGI
Save 41.7%

1.76ct | Round | H | VS1 | Ideal

From $527

Compare at $903

2 stores
1.76ct | Round | H | VS1 | IdealIGI
Save 41.7%

1.76ct | Round | H | VS1 | Ideal

From $527

Compare at $903

2 stores
1.8ct | Round | G | VVS2 | IdealIGI
Save 79.9%

1.8ct | Round | G | VVS2 | Ideal

From $527

Compare at $2,620

7 stores
1.77ct | Round | H | VS1 | IdealIGI
Save 78.8%

1.77ct | Round | H | VS1 | Ideal

From $528

Compare at $2,490

5 stores
1.77ct | Round | G | VS1 | ExcellentIGI
Save 41.8%

1.77ct | Round | G | VS1 | Excellent

From $528

Compare at $908

3 stores
1.77ct | Round | H | VS1 | IdealIGI
Save 41.8%

1.77ct | Round | H | VS1 | Ideal

From $528

Compare at $908

2 stores
1.77ct | Round | H | VS1 | IdealIGI
Save 78.8%

1.77ct | Round | H | VS1 | Ideal

From $528

Compare at $2,490

5 stores
1.75ct | Round | H | VS1 | ExcellentIGI
Save 67.4%

1.75ct | Round | H | VS1 | Excellent

From $529

Compare at $1,620

4 stores
1.84ct | Round | E | SI1 | IdealIGI
Save 79.9%

1.84ct | Round | E | SI1 | Ideal

From $529

Compare at $2,640

6 stores
1.79ct | Round | H | VS1 | IdealIGI
Save 42.1%

1.79ct | Round | H | VS1 | Ideal

From $532

Compare at $919

2 stores
1.79ct | Round | H | VS1 | IdealIGI
Save 42.1%

1.79ct | Round | H | VS1 | Ideal

From $532

Compare at $919

2 stores
1.79ct | Round | H | VS1 | IdealIGI
Save 78.8%

1.79ct | Round | H | VS1 | Ideal

From $532

Compare at $2,510

5 stores
1.79ct | Round | G | VS1 | IdealIGI
Save 65.3%

1.79ct | Round | G | VS1 | Ideal

From $532

Compare at $1,534

6 stores
1.79ct | Round | G | VS1 | IdealIGI
Save 42.1%

1.79ct | Round | G | VS1 | Ideal

From $532

Compare at $919

3 stores
1.79ct | Round | G | VS1 | Very GoodIGI
Save 42.1%

1.79ct | Round | G | VS1 | Very Good

From $532

Compare at $919

3 stores
1.76ct | Round | I | VVS2 | IdealIGI
Save 42%

1.76ct | Round | I | VVS2 | Ideal

From $533

Compare at $919

2 stores
1.8ct | Round | D | VS2 | ExcellentIGI
Save 34.1%

1.8ct | Round | D | VS2 | Excellent

From $534

Compare at $810

3 stores
1.8ct | Round | H | VS1 | IdealIGI
Save 65.4%

1.8ct | Round | H | VS1 | Ideal

From $535

Compare at $1,546

3 stores
1.8ct | Round | H | VS1 | IdealIGI
Save 78.9%

1.8ct | Round | H | VS1 | Ideal

From $535

Compare at $2,530

5 stores
1.8ct | Round | H | VS1 | IdealIGI
Save 42.1%

1.8ct | Round | H | VS1 | Ideal

From $535

Compare at $924

2 stores
1.8ct | Round | G | VS1 | Very GoodIGI
Save 42.1%

1.8ct | Round | G | VS1 | Very Good

From $535

Compare at $924

3 stores
1.8ct | Round | H | VS1 | IdealIGI
Save 42.1%

1.8ct | Round | H | VS1 | Ideal

From $535

Compare at $924

2 stores

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