CaratRadar

3.1 Carat Round Lab Grown Diamonds

Search over 19,171 3.1 Carat Round lab grown diamonds from 13 online retailers.Prices typically range from $591 to $25,245 depending on the diamond's shape, color, clarity, and other factors.For broader market trends, check our Diamond Price Indexes.

3.1 Carat Round Lab Grown Diamonds Available

See All Matching Offers

Showing up to 50 of 19,171 offers.

3.12ct | Round | E | SI1 | IdealIGI
Save 79.5%

3.12ct | Round | E | SI1 | Ideal

From $591

Compare at $2,880

6 stores
3.13ct | Round | E | SI1 | IdealIGI
Save 79.5%

3.13ct | Round | E | SI1 | Ideal

From $592

Compare at $2,890

6 stores
3.07ct | Round | F | SI1 | IdealIGI
Save 82.9%

3.07ct | Round | F | SI1 | Ideal

From $595

Compare at $3,480

6 stores
3.07ct | Round | F | SI1 | IdealIGI
Save 79.8%

3.07ct | Round | F | SI1 | Ideal

From $595

Compare at $2,950

6 stores
3.05ct | Round | F | SI1 | IdealIGI
Save 80.1%

3.05ct | Round | F | SI1 | Ideal

From $597

Compare at $3,000

7 stores
3.05ct | Round | F | SI1 | IdealIGI
Save 80.1%

3.05ct | Round | F | SI1 | Ideal

From $597

Compare at $3,000

7 stores
3.05ct | Round | F | SI1 | IdealIGI
Save 80.1%

3.05ct | Round | F | SI1 | Ideal

From $597

Compare at $3,000

6 stores
3.06ct | Round | F | SI1 | IdealIGI
Save 80.1%

3.06ct | Round | F | SI1 | Ideal

From $599

Compare at $3,010

7 stores
3.06ct | Round | F | SI1 | IdealIGI
Save 80.1%

3.06ct | Round | F | SI1 | Ideal

From $599

Compare at $3,010

7 stores
3.07ct | Round | F | SI1 | IdealIGI
Save 80.1%

3.07ct | Round | F | SI1 | Ideal

From $600

Compare at $3,020

7 stores
3.07ct | Round | F | SI1 | IdealIGI
Save 81%

3.07ct | Round | F | SI1 | Ideal

From $600

Compare at $3,160

7 stores
3.07ct | Round | F | SI1 | IdealIGI
Save 80.1%

3.07ct | Round | F | SI1 | Ideal

From $600

Compare at $3,020

6 stores
3.08ct | Round | F | SI1 | IdealIGI
Save 80.2%

3.08ct | Round | F | SI1 | Ideal

From $601

Compare at $3,030

7 stores
3.08ct | Round | F | SI1 | IdealIGI
Save 80.2%

3.08ct | Round | F | SI1 | Ideal

From $601

Compare at $3,030

7 stores
3.12ct | Round | E | SI1 | IdealIGI
Save 80.7%

3.12ct | Round | E | SI1 | Ideal

From $601

Compare at $3,120

6 stores
3.12ct | Round | E | SI1 | IdealIGI
Save 80.7%

3.12ct | Round | E | SI1 | Ideal

From $601

Compare at $3,120

6 stores
3.12ct | Round | E | SI1 | IdealIGI
Save 86.2%

3.12ct | Round | E | SI1 | Ideal

From $601

Compare at $4,350

6 stores
3.09ct | Round | F | SI1 | IdealIGI
Save 84.3%

3.09ct | Round | F | SI1 | Ideal

From $602

Compare at $3,840

7 stores
3.09ct | Round | F | SI1 | IdealIGI
Save 80.2%

3.09ct | Round | F | SI1 | Ideal

From $602

Compare at $3,040

7 stores
3.09ct | Round | F | SI1 | IdealIGI
Save 82.8%

3.09ct | Round | F | SI1 | Ideal

From $602

Compare at $3,510

7 stores
3.09ct | Round | F | SI1 | IdealIGI
Save 82%

3.09ct | Round | F | SI1 | Ideal

From $602

Compare at $3,340

7 stores
3.06ct | Round | F | SI1 | IdealIGI
Save 80.2%

3.06ct | Round | F | SI1 | Ideal

From $604

Compare at $3,050

6 stores
3.1ct | Round | F | SI1 | IdealIGI
Save 80.2%

3.1ct | Round | F | SI1 | Ideal

From $604

Compare at $3,050

7 stores
3.1ct | Round | F | SI1 | IdealIGI
Save 80.2%

3.1ct | Round | F | SI1 | Ideal

From $604

Compare at $3,050

7 stores
3.11ct | Round | E | SI1 | IdealIGI
Save 86%

3.11ct | Round | E | SI1 | Ideal

From $605

Compare at $4,330

6 stores
3.08ct | Round | G | SI1 | IdealIGI
Save 80.3%

3.08ct | Round | G | SI1 | Ideal

From $606

Compare at $3,070

6 stores
3.08ct | Round | F | SI1 | IdealIGI
Save 80.3%

3.08ct | Round | F | SI1 | Ideal

From $606

Compare at $3,070

6 stores
3.08ct | Round | G | SI1 | IdealIGI
Save 80.3%

3.08ct | Round | G | SI1 | Ideal

From $606

Compare at $3,070

6 stores
3.05ct | Round | F | SI1 | IdealIGI
Save 80%

3.05ct | Round | F | SI1 | Ideal

From $607

Compare at $3,040

6 stores
3.05ct | Round | F | SI1 | IdealIGI
Save 80%

3.05ct | Round | F | SI1 | Ideal

From $607

Compare at $3,040

6 stores
3.05ct | Round | F | SI1 | IdealIGI
Save 80%

3.05ct | Round | F | SI1 | Ideal

From $607

Compare at $3,040

6 stores
3.05ct | Round | F | SI1 | IdealIGI
Save 80%

3.05ct | Round | F | SI1 | Ideal

From $607

Compare at $3,040

6 stores
3.09ct | Round | H | VS1 | IdealIGI
Save 63.9%

3.09ct | Round | H | VS1 | Ideal

From $607

Compare at $1,684

5 stores
3.06ct | Round | H | VS1 | IdealIGI
Save 64%

3.06ct | Round | H | VS1 | Ideal

From $608

Compare at $1,688

5 stores
3.06ct | Round | G | SI1 | IdealIGI
Save 80%

3.06ct | Round | G | SI1 | Ideal

From $608

Compare at $3,050

6 stores
3.06ct | Round | G | SI1 | IdealIGI
Save 80%

3.06ct | Round | G | SI1 | Ideal

From $608

Compare at $3,050

6 stores
3.06ct | Round | G | SI1 | IdealIGI
Save 80%

3.06ct | Round | G | SI1 | Ideal

From $608

Compare at $3,050

6 stores
3.06ct | Round | G | SI1 | IdealIGI
Save 80%

3.06ct | Round | G | SI1 | Ideal

From $608

Compare at $3,050

6 stores
3.1ct | Round | F | SI1 | IdealIGI
Save 80.3%

3.1ct | Round | F | SI1 | Ideal

From $609

Compare at $3,090

6 stores
3.07ct | Round | F | SI1 | IdealIGI
Save 80.1%

3.07ct | Round | F | SI1 | Ideal

From $610

Compare at $3,060

6 stores
3.07ct | Round | F | SI1 | IdealIGI
Save 80.1%

3.07ct | Round | F | SI1 | Ideal

From $610

Compare at $3,060

6 stores
3.07ct | Round | H | VS1 | IdealIGI
Save 64%

3.07ct | Round | H | VS1 | Ideal

From $610

Compare at $1,693

5 stores
3.07ct | Round | F | SI1 | IdealIGI
Save 80.1%

3.07ct | Round | F | SI1 | Ideal

From $610

Compare at $3,060

6 stores
3.08ct | Round | F | SI1 | IdealIGI
Save 80.1%

3.08ct | Round | F | SI1 | Ideal

From $611

Compare at $3,070

6 stores
3.08ct | Round | F | SI1 | IdealIGI
Save 80.1%

3.08ct | Round | F | SI1 | Ideal

From $611

Compare at $3,070

6 stores
3.05ct | Round | E | SI1 | IdealIGI
Save 80.1%

3.05ct | Round | E | SI1 | Ideal

From $612

Compare at $3,080

6 stores
3.09ct | Round | F | SI1 | IdealIGI
Save 80.1%

3.09ct | Round | F | SI1 | Ideal

From $612

Compare at $3,080

6 stores
3.09ct | Round | H | VS1 | IdealIGI
Save 64.1%

3.09ct | Round | H | VS1 | Ideal

From $612

Compare at $1,705

5 stores
◆
IGI
Save 32.7%

3.06ct | Round | E | SI1 | Excellent

From $613

Compare at $912

2 stores
3.1ct | Round | F | SI1 | IdealIGI
Save 80.1%

3.1ct | Round | F | SI1 | Ideal

From $614

Compare at $3,090

6 stores
View All 19,171 Offers

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3.1ct Round Price AnalysisAll Round Lab GrownRound NaturalDiamond Buying Guide