0.3 Carat Round Lab Grown Diamonds

Search over 4,940 0.3 Carat Round lab grown diamonds from 6 online retailers.Prices typically range from $129 to $1,691 depending on the diamond's shape, color, clarity, and other factors.For broader market trends, check our Diamond Price Indexes.

0.3 Carat Round Lab Grown Diamonds Available

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Showing up to 50 of 4,940 offers.

IGI | 0.3ct | Round | D | VS2 | Very Good
Save 13.5%

IGI | 0.3ct | Round | D | VS2 | Very Good

From $129

Compare at $149

2 stores
IGI | 0.31ct | Round | D | VS2 | Very Good
Save 13.6%

IGI | 0.31ct | Round | D | VS2 | Very Good

From $133

Compare at $154

2 stores
IGI | 0.3ct | Round | D | VS2 | Very Good
Save 13.3%

IGI | 0.3ct | Round | D | VS2 | Very Good

From $137

Compare at $158

2 stores
IGI | 0.3ct | Round | D | VS2 | Very Good
Save 17.4%

IGI | 0.3ct | Round | D | VS2 | Very Good

From $137

Compare at $166

2 stores
IGI | 0.3ct | Round | D | VS2 | Excellent
Save 13.3%

IGI | 0.3ct | Round | D | VS2 | Excellent

From $137

Compare at $158

2 stores
IGI | 0.3ct | Round | D | VS2 | Excellent
Save 13.3%

IGI | 0.3ct | Round | D | VS2 | Excellent

From $137

Compare at $158

2 stores
IGI | 0.3ct | Round | D | VS2 | Ideal
Save 13.3%

IGI | 0.3ct | Round | D | VS2 | Ideal

From $137

Compare at $158

2 stores
IGI | 0.31ct | Round | D | VS1 | Very Good
Save 13.7%

IGI | 0.31ct | Round | D | VS1 | Very Good

From $138

Compare at $160

2 stores
IGI | 0.31ct | Round | D | VS1 | Good
Save 13.7%

IGI | 0.31ct | Round | D | VS1 | Good

From $138

Compare at $160

2 stores
IGI | 0.31ct | Round | E | VS1 | Good
Save 13.7%

IGI | 0.31ct | Round | E | VS1 | Good

From $138

Compare at $160

2 stores
IGI | 0.33ct | Round | D | VS2 | Very Good
Save 13.7%

IGI | 0.33ct | Round | D | VS2 | Very Good

From $141

Compare at $164

2 stores
IGI | 0.31ct | Round | D | VS2 | Very Good
Save 13.7%

IGI | 0.31ct | Round | D | VS2 | Very Good

From $142

Compare at $164

2 stores
IGI | 0.31ct | Round | D | VS2 | Ideal
Save 51.2%

IGI | 0.31ct | Round | D | VS2 | Ideal

From $142

Compare at $290

3 stores
IGI | 0.31ct | Round | D | VS2 | Very Good
Save 17.7%

IGI | 0.31ct | Round | D | VS2 | Very Good

From $142

Compare at $172

2 stores
IGI | 0.31ct | Round | D | VS2 | Excellent
Save 13.7%

IGI | 0.31ct | Round | D | VS2 | Excellent

From $142

Compare at $164

2 stores
IGI | 0.3ct | Round | D | VS1 | Very Good
Save 17.9%

IGI | 0.3ct | Round | D | VS1 | Very Good

From $142

Compare at $173

2 stores
IGI | 0.3ct | Round | D | VS2 | Excellent
Save 17.9%

IGI | 0.3ct | Round | D | VS2 | Excellent

From $142

Compare at $173

2 stores
IGI | 0.3ct | Round | D | VS1 | Very Good
Save 17.9%

IGI | 0.3ct | Round | D | VS1 | Very Good

From $142

Compare at $173

2 stores
IGI | 0.3ct | Round | D | VS1 | Very Good
Save 17.9%

IGI | 0.3ct | Round | D | VS1 | Very Good

From $142

Compare at $173

2 stores
IGI | 0.3ct | Round | D | VS1 | Very Good
Save 17.9%

IGI | 0.3ct | Round | D | VS1 | Very Good

From $142

Compare at $173

2 stores
IGI | 0.3ct | Round | D | VS1 | Good
Save 17.9%

IGI | 0.3ct | Round | D | VS1 | Good

From $142

Compare at $173

2 stores
IGI | 0.3ct | Round | D | VS1 | Very Good
Save 17.9%

IGI | 0.3ct | Round | D | VS1 | Very Good

From $142

Compare at $173

2 stores
IGI | 0.3ct | Round | D | VS1 | Very Good
Save 17.9%

IGI | 0.3ct | Round | D | VS1 | Very Good

From $142

Compare at $173

2 stores
IGI | 0.3ct | Round | D | VS1 | Very Good
Save 17.9%

IGI | 0.3ct | Round | D | VS1 | Very Good

From $142

Compare at $173

2 stores
IGI | 0.3ct | Round | D | VS1 | Very Good
Save 17.9%

IGI | 0.3ct | Round | D | VS1 | Very Good

From $142

Compare at $173

2 stores
IGI | 0.3ct | Round | D | VS2 | Excellent
Save 17.9%

IGI | 0.3ct | Round | D | VS2 | Excellent

From $142

Compare at $173

2 stores
IGI | 0.3ct | Round | D | VS1 | Very Good
Save 17.9%

IGI | 0.3ct | Round | D | VS1 | Very Good

From $142

Compare at $173

2 stores
IGI | 0.3ct | Round | D | VS1 | Very Good
Save 17.9%

IGI | 0.3ct | Round | D | VS1 | Very Good

From $142

Compare at $173

2 stores
IGI | 0.3ct | Round | E | VS2 | Ideal
Save 13.4%

IGI | 0.3ct | Round | E | VS2 | Ideal

From $142

Compare at $164

2 stores
IGI | 0.3ct | Round | D | VS2 | Excellent
Save 17.9%

IGI | 0.3ct | Round | D | VS2 | Excellent

From $142

Compare at $173

2 stores
IGI | 0.3ct | Round | D | VS2 | Excellent
Save 17.9%

IGI | 0.3ct | Round | D | VS2 | Excellent

From $142

Compare at $173

2 stores
IGI | 0.3ct | Round | D | VS1 | Very Good
Save 17.9%

IGI | 0.3ct | Round | D | VS1 | Very Good

From $142

Compare at $173

2 stores
IGI | 0.3ct | Round | D | VS2 | Excellent
Save 17.9%

IGI | 0.3ct | Round | D | VS2 | Excellent

From $142

Compare at $173

2 stores
IGI | 0.32ct | Round | D | VS1 | Very Good
Save 13.6%

IGI | 0.32ct | Round | D | VS1 | Very Good

From $143

Compare at $165

2 stores
IGI | 0.32ct | Round | G | VS1 | Very Good
Save 13.6%

IGI | 0.32ct | Round | G | VS1 | Very Good

From $143

Compare at $165

2 stores
IGI | 0.32ct | Round | E | VS1 | Very Good
Save 13.6%

IGI | 0.32ct | Round | E | VS1 | Very Good

From $143

Compare at $165

2 stores
IGI | 0.32ct | Round | E | VS2 | Very Good
Save 13.6%

IGI | 0.32ct | Round | E | VS2 | Very Good

From $143

Compare at $165

2 stores
IGI | 0.32ct | Round | E | VS2 | Excellent
Save 13.6%

IGI | 0.32ct | Round | E | VS2 | Excellent

From $143

Compare at $165

2 stores
IGI | 0.32ct | Round | E | VS2 | Very Good
Save 13.6%

IGI | 0.32ct | Round | E | VS2 | Very Good

From $143

Compare at $165

2 stores
IGI | 0.32ct | Round | E | VS2 | Very Good
Save 13.6%

IGI | 0.32ct | Round | E | VS2 | Very Good

From $143

Compare at $165

2 stores
IGI | 0.32ct | Round | E | VS2 | Excellent
Save 13.6%

IGI | 0.32ct | Round | E | VS2 | Excellent

From $143

Compare at $165

2 stores
Save 56.7%

GCAL | 0.37ct | Round | E | VS2 | Ideal

From $143

Compare at $330

2 stores
IGI | 0.31ct | Round | E | SI1 | Excellent
Save 38.8%

IGI | 0.31ct | Round | E | SI1 | Excellent

From $143

Compare at $234

2 stores
IGI | 0.31ct | Round | E | SI1 | Excellent
Save 47%

IGI | 0.31ct | Round | E | SI1 | Excellent

From $143

Compare at $270

3 stores
IGI | 0.31ct | Round | E | SI1 | Excellent
Save 38.8%

IGI | 0.31ct | Round | E | SI1 | Excellent

From $143

Compare at $234

2 stores
IGI | 0.31ct | Round | E | SI1 | Excellent
Save 38.8%

IGI | 0.31ct | Round | E | SI1 | Excellent

From $143

Compare at $234

2 stores
Save 55.2%

GCAL | 0.35ct | Round | D | SI1 | Very Good

From $143

Compare at $320

2 stores
IGI | 0.32ct | Round | D | VS2 | Very Good
Save 13.6%

IGI | 0.32ct | Round | D | VS2 | Very Good

From $146

Compare at $169

2 stores
IGI | 0.32ct | Round | D | VS2 | Excellent
Save 13.6%

IGI | 0.32ct | Round | D | VS2 | Excellent

From $146

Compare at $169

2 stores
IGI | 0.32ct | Round | D | VS2 | Very Good
Save 13.6%

IGI | 0.32ct | Round | D | VS2 | Very Good

From $146

Compare at $169

2 stores

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