0.3 Carat Marquise Lab Grown Diamonds

Search over 541 0.3 Carat Marquise lab grown diamonds from 3 online retailers.Prices typically range from $142 to $432 depending on the diamond's shape, color, clarity, and other factors.For broader market trends, check our Diamond Price Indexes.

0.3 Carat Marquise Lab Grown Diamonds Available

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Showing up to 50 of 541 offers.

GCAL | 0.34ct | Marquise | E | VS2 | Excellent
Save 49.1%

GCAL | 0.34ct | Marquise | E | VS2 | Excellent

From $142

Compare at $280

2 stores
GCAL | 0.31ct | Marquise | E | VS2 | Excellent
Save 40.9%

GCAL | 0.31ct | Marquise | E | VS2 | Excellent

From $148

Compare at $250

2 stores
GCAL | 0.31ct | Marquise | E | VS2 | Excellent
Save 40.9%

GCAL | 0.31ct | Marquise | E | VS2 | Excellent

From $148

Compare at $250

2 stores
GCAL | 0.39ct | Marquise | E | VS2 | Excellent
Save 53.8%

GCAL | 0.39ct | Marquise | E | VS2 | Excellent

From $148

Compare at $320

2 stores
GCAL | 0.34ct | Marquise | D | VS2 | Excellent
Save 32.8%

GCAL | 0.34ct | Marquise | D | VS2 | Excellent

From $148

Compare at $220

2 stores
GCAL | 0.34ct | Marquise | D | VS2 | Excellent
Save 35.7%

GCAL | 0.34ct | Marquise | D | VS2 | Excellent

From $148

Compare at $230

2 stores
GCAL | 0.34ct | Marquise | D | VS1 | Excellent
Save 47%

GCAL | 0.34ct | Marquise | D | VS1 | Excellent

From $148

Compare at $280

2 stores
GCAL | 0.34ct | Marquise | D | VS1 | Excellent
Save 32.5%

GCAL | 0.34ct | Marquise | D | VS1 | Excellent

From $148

Compare at $220

2 stores
GCAL | 0.31ct | Marquise | D | VS1 | Excellent
Save 42.5%

GCAL | 0.31ct | Marquise | D | VS1 | Excellent

From $149

Compare at $260

2 stores
GCAL | 0.36ct | Marquise | E | VS2 | Excellent
Save 31.6%

GCAL | 0.36ct | Marquise | E | VS2 | Excellent

From $151

Compare at $220

2 stores
GCAL | 0.35ct | Marquise | E | VS2 | Excellent
Save 46.1%

GCAL | 0.35ct | Marquise | E | VS2 | Excellent

From $151

Compare at $280

2 stores
GCAL | 0.35ct | Marquise | E | VS1 | Excellent
Save 45.7%

GCAL | 0.35ct | Marquise | E | VS1 | Excellent

From $152

Compare at $280

2 stores
GCAL | 0.35ct | Marquise | D | VS2 | Excellent
Save 27.6%

GCAL | 0.35ct | Marquise | D | VS2 | Excellent

From $152

Compare at $210

2 stores
GCAL | 0.32ct | Marquise | F | VS1 | Excellent
Save 41.4%

GCAL | 0.32ct | Marquise | F | VS1 | Excellent

From $152

Compare at $260

2 stores
GCAL | 0.32ct | Marquise | E | VS2 | Excellent
Save 39.1%

GCAL | 0.32ct | Marquise | E | VS2 | Excellent

From $152

Compare at $250

2 stores
GCAL | 0.35ct | Marquise | D | VS1 | Excellent
Save 33.6%

GCAL | 0.35ct | Marquise | D | VS1 | Excellent

From $153

Compare at $230

2 stores
Save 53.5%

IGI | 0.38ct | Marquise | D | VS2 | Very Good

From $153

Compare at $330

2 stores
GCAL | 0.32ct | Marquise | E | VS1 | Excellent
Save 41%

GCAL | 0.32ct | Marquise | E | VS1 | Excellent

From $154

Compare at $260

2 stores
GCAL | 0.36ct | Marquise | F | VS2 | Excellent
Save 30.2%

GCAL | 0.36ct | Marquise | F | VS2 | Excellent

From $154

Compare at $220

2 stores
GCAL | 0.32ct | Marquise | D | VS1 | Excellent
Save 40.7%

GCAL | 0.32ct | Marquise | D | VS1 | Excellent

From $154

Compare at $260

2 stores
GCAL | 0.37ct | Marquise | E | VS2 | Excellent
Save 48.4%

GCAL | 0.37ct | Marquise | E | VS2 | Excellent

From $155

Compare at $300

2 stores
GCAL | 0.36ct | Marquise | F | VS1 | Excellent
Save 46.5%

GCAL | 0.36ct | Marquise | F | VS1 | Excellent

From $155

Compare at $290

2 stores
GCAL | 0.36ct | Marquise | F | VS1 | Excellent
Save 46.5%

GCAL | 0.36ct | Marquise | F | VS1 | Excellent

From $155

Compare at $290

2 stores
GCAL | 0.36ct | Marquise | E | VS2 | Very Good
Save 46.5%

GCAL | 0.36ct | Marquise | E | VS2 | Very Good

From $155

Compare at $290

2 stores
GCAL | 0.33ct | Marquise | F | VS2 | Excellent
Save 40.2%

GCAL | 0.33ct | Marquise | F | VS2 | Excellent

From $155

Compare at $260

2 stores
GCAL | 0.36ct | Marquise | D | VS2 | Excellent
Save 37.5%

GCAL | 0.36ct | Marquise | D | VS2 | Excellent

From $156

Compare at $250

2 stores
GCAL | 0.36ct | Marquise | D | VS2 | Excellent
Save 28.9%

GCAL | 0.36ct | Marquise | D | VS2 | Excellent

From $156

Compare at $220

2 stores
GCAL | 0.36ct | Marquise | D | VS2 | Excellent
Save 28.9%

GCAL | 0.36ct | Marquise | D | VS2 | Excellent

From $156

Compare at $220

2 stores
GCAL | 0.36ct | Marquise | E | VS1 | Excellent
Save 28.9%

GCAL | 0.36ct | Marquise | E | VS1 | Excellent

From $156

Compare at $220

2 stores
GCAL | 0.36ct | Marquise | D | VS1 | Very Good
Save 37.2%

GCAL | 0.36ct | Marquise | D | VS1 | Very Good

From $157

Compare at $250

2 stores
Save 52.3%

IGI | 0.39ct | Marquise | D | VS2 | Very Good

From $157

Compare at $330

2 stores
GCAL | 0.37ct | Marquise | F | VS2 | Excellent
Save 45.6%

GCAL | 0.37ct | Marquise | F | VS2 | Excellent

From $158

Compare at $290

2 stores
GCAL | 0.37ct | Marquise | F | VS2 | Excellent
Save 28.3%

GCAL | 0.37ct | Marquise | F | VS2 | Excellent

From $158

Compare at $220

2 stores
GCAL | 0.35ct | Marquise | E | SI2 | Excellent
Save 41.5%

GCAL | 0.35ct | Marquise | E | SI2 | Excellent

From $158

Compare at $270

2 stores
GCAL | 0.33ct | Marquise | E | VS1 | Excellent
Save 41.4%

GCAL | 0.33ct | Marquise | E | VS1 | Excellent

From $158

Compare at $270

2 stores
GCAL | 0.33ct | Marquise | D | VS2 | Excellent
Save 24.7%

GCAL | 0.33ct | Marquise | D | VS2 | Excellent

From $158

Compare at $210

2 stores
GCAL | 0.38ct | Marquise | E | VS2 | Excellent
Save 48.8%

GCAL | 0.38ct | Marquise | E | VS2 | Excellent

From $159

Compare at $310

2 stores
GCAL | 0.33ct | Marquise | D | VS1 | Excellent
Save 41.2%

GCAL | 0.33ct | Marquise | D | VS1 | Excellent

From $159

Compare at $270

2 stores
GCAL | 0.37ct | Marquise | E | VS2 | Excellent
Save 46.9%

GCAL | 0.37ct | Marquise | E | VS2 | Excellent

From $159

Compare at $300

2 stores
GCAL | 0.37ct | Marquise | E | VS2 | Excellent
Save 46.9%

GCAL | 0.37ct | Marquise | E | VS2 | Excellent

From $159

Compare at $300

2 stores
GCAL | 0.37ct | Marquise | E | VS2 | Excellent
Save 45%

GCAL | 0.37ct | Marquise | E | VS2 | Excellent

From $159

Compare at $290

2 stores
GCAL | 0.37ct | Marquise | E | VS2 | Good
Save 30.7%

GCAL | 0.37ct | Marquise | E | VS2 | Good

From $159

Compare at $230

2 stores
GCAL | 0.34ct | Marquise | F | VS2 | Excellent
Save 40.8%

GCAL | 0.34ct | Marquise | F | VS2 | Excellent

From $160

Compare at $270

2 stores
GCAL | 0.37ct | Marquise | E | VS1 | Excellent
Save 33.1%

GCAL | 0.37ct | Marquise | E | VS1 | Excellent

From $161

Compare at $240

2 stores
GCAL | 0.37ct | Marquise | D | VS2 | Excellent
Save 35.7%

GCAL | 0.37ct | Marquise | D | VS2 | Excellent

From $161

Compare at $250

2 stores
GCAL | 0.37ct | Marquise | E | VS1 | Excellent
Save 46.4%

GCAL | 0.37ct | Marquise | E | VS1 | Excellent

From $161

Compare at $300

2 stores
GCAL | 0.37ct | Marquise | D | VS2 | Excellent
Save 33.1%

GCAL | 0.37ct | Marquise | D | VS2 | Excellent

From $161

Compare at $240

2 stores
GCAL | 0.37ct | Marquise | D | VS2 | Excellent
Save 33.1%

GCAL | 0.37ct | Marquise | D | VS2 | Excellent

From $161

Compare at $240

2 stores
GCAL | 0.37ct | Marquise | D | VS1 | Excellent
Save 38%

GCAL | 0.37ct | Marquise | D | VS1 | Excellent

From $161

Compare at $260

2 stores
GCAL | 0.37ct | Marquise | D | VS1 | Excellent
Save 48%

GCAL | 0.37ct | Marquise | D | VS1 | Excellent

From $161

Compare at $310

2 stores

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