CaratRadar

Round Cut Lab Grown Diamonds

How much does a round cut lab grown diamond cost? As of April 2026, the market average is about $1,198.Prices for the last month are down -1.8%.Prices typically range from $119 to $316,911 depending on carat, color, clarity, and cut quality.

Prices by Carat Weight

CaratAvg PriceMedian Price1M TrendOffers
0.2ct$163$161-2.0%View All 1,179 Offers
0.3ct$187$171-0.8%View All 2,824 Offers
0.4ct$227$218-0.4%View All 3,251 Offers
0.5ct$271$247-1.5%View All 14,774 Offers
0.6ct$341$273-1.0%View All 5,185 Offers
0.7ct$338$301-1.5%View All 6,973 Offers
0.8ct$416$337-2.0%View All 3,330 Offers
0.9ct$389$353-1.1%View All 5,314 Offers
1ct$556$492-0.6%View All 24,961 Offers
1.1ct$583$468-0.4%View All 8,056 Offers
1.2ct$548$473-1.4%View All 10,013 Offers
1.3ct$617$495-1.5%View All 6,182 Offers
1.4ct$614$554-3.6%View All 9,630 Offers
1.5ct$882$760-1.1%View All 30,775 Offers
1.6ct$958$666-1.8%View All 4,252 Offers
1.7ct$1,234$753-0.6%View All 4,766 Offers
1.8ct$1,035$706-1.0%View All 6,012 Offers
1.9ct$803$723-3.4%View All 11,729 Offers
2ct$1,216$1,004-0.4%View All 40,901 Offers
2.1ct$1,304$862-1.0%View All 6,804 Offers
2.2ct$1,633$901-0.4%View All 4,121 Offers
2.3ct$1,415$874-0.7%View All 3,883 Offers
2.4ct$1,277$880-0.7%View All 3,993 Offers
2.5ct$1,301$965-0.5%View All 16,989 Offers
2.6ct$1,736$1,024-1.5%View All 2,760 Offers
2.7ct$1,936$1,066-1.0%View All 3,334 Offers
2.8ct$1,543$964-0.9%View All 3,931 Offers
2.9ct$1,251$917-0.4%View All 4,707 Offers
3ct$1,418$1,090-0.4%View All 25,419 Offers
3.1ct$1,515$1,049-0.2%View All 4,342 Offers
3.2ct$2,231$1,375-1.2%View All 1,800 Offers
3.3ct$2,357$1,562-1.3%View All 1,439 Offers
3.4ct$2,571$1,542-1.4%View All 1,282 Offers
3.5ct$1,635$1,176-2.0%View All 5,320 Offers

Featured Round Lab Grown Diamonds

See All Matching Offers

Showing up to 50 of 330,225 listings.

IGI | 0.26ct | Round | D | VS2 | Very Good
Save 17.3%

IGI | 0.26ct | Round | D | VS2 | Very Good

From $119

Compare at $144

2 stores
IGI | 0.26ct | Round | D | VS1 | Very Good
Save 17.8%

IGI | 0.26ct | Round | D | VS1 | Very Good

From $123

Compare at $150

2 stores
IGI | 0.26ct | Round | D | VS2 | Very Good
Save 58.6%

IGI | 0.26ct | Round | D | VS2 | Very Good

From $123

Compare at $298

3 stores
IGI | 0.26ct | Round | E | VS2 | Very Good
Save 13.1%

IGI | 0.26ct | Round | E | VS2 | Very Good

From $123

Compare at $142

2 stores
IGI | 0.26ct | Round | E | VS2 | Very Good
Save 13.1%

IGI | 0.26ct | Round | E | VS2 | Very Good

From $123

Compare at $142

2 stores
IGI | 0.26ct | Round | D | VS2 | Excellent
Save 17.7%

IGI | 0.26ct | Round | D | VS2 | Excellent

From $123

Compare at $150

2 stores
IGI | 0.27ct | Round | D | VS2 | Very Good
Save 17.6%

IGI | 0.27ct | Round | D | VS2 | Very Good

From $124

Compare at $150

2 stores
IGI | 0.25ct | Round | D | VS2 | Very Good
Save 13.4%

IGI | 0.25ct | Round | D | VS2 | Very Good

From $126

Compare at $145

2 stores
IGI | 0.25ct | Round | D | VS2 | Very Good
Save 13.4%

IGI | 0.25ct | Round | D | VS2 | Very Good

From $126

Compare at $145

2 stores
IGI | 0.25ct | Round | D | VS2 | Very Good
Save 13.4%

IGI | 0.25ct | Round | D | VS2 | Very Good

From $126

Compare at $145

2 stores
IGI | 0.25ct | Round | E | VS2 | Excellent
Save 17.4%

IGI | 0.25ct | Round | E | VS2 | Excellent

From $126

Compare at $152

2 stores
IGI | 0.27ct | Round | D | VVS2 | Very Good
Save 17.3%

IGI | 0.27ct | Round | D | VVS2 | Very Good

From $127

Compare at $153

2 stores
IGI | 0.27ct | Round | D | VS2 | Very Good
Save 58.6%

IGI | 0.27ct | Round | D | VS2 | Very Good

From $128

Compare at $309

3 stores
IGI | 0.27ct | Round | D | VS1 | Ideal
Save 57.9%

IGI | 0.27ct | Round | D | VS1 | Ideal

From $128

Compare at $304

3 stores
IGI | 0.27ct | Round | D | VS2 | Ideal
Save 58.6%

IGI | 0.27ct | Round | D | VS2 | Ideal

From $128

Compare at $309

3 stores
IGI | 0.27ct | Round | D | VS2 | Ideal
Save 58.6%

IGI | 0.27ct | Round | D | VS2 | Ideal

From $128

Compare at $309

3 stores
IGI | 0.27ct | Round | E | VS2 | Good
Save 13.5%

IGI | 0.27ct | Round | E | VS2 | Good

From $128

Compare at $148

2 stores
IGI | 0.27ct | Round | E | VS2 | Good
Save 13.5%

IGI | 0.27ct | Round | E | VS2 | Good

From $128

Compare at $148

2 stores
IGI | 0.27ct | Round | D | VS2 | Excellent
Save 17.4%

IGI | 0.27ct | Round | D | VS2 | Excellent

From $128

Compare at $155

2 stores
IGI | 0.27ct | Round | D | VS1 | Very Good
Save 17.4%

IGI | 0.27ct | Round | D | VS1 | Very Good

From $128

Compare at $155

2 stores
IGI | 0.27ct | Round | D | VS1 | Very Good
Save 17.4%

IGI | 0.27ct | Round | D | VS1 | Very Good

From $128

Compare at $155

2 stores
IGI | 0.27ct | Round | D | VS1 | Very Good
Save 17.4%

IGI | 0.27ct | Round | D | VS1 | Very Good

From $128

Compare at $155

2 stores
IGI | 0.28ct | Round | D | VS2 | Very Good
Save 17.4%

IGI | 0.28ct | Round | D | VS2 | Very Good

From $128

Compare at $155

2 stores
IGI | 0.28ct | Round | D | VS1 | Very Good
Save 17.4%

IGI | 0.28ct | Round | D | VS1 | Very Good

From $128

Compare at $155

2 stores
IGI | 0.28ct | Round | D | VS1 | Very Good
Save 17.4%

IGI | 0.28ct | Round | D | VS1 | Very Good

From $128

Compare at $155

2 stores
IGI | 0.28ct | Round | D | VS2 | Very Good
Save 17.4%

IGI | 0.28ct | Round | D | VS2 | Very Good

From $128

Compare at $155

2 stores
IGI | 0.28ct | Round | D | VS2 | Very Good
Save 17.4%

IGI | 0.28ct | Round | D | VS2 | Very Good

From $128

Compare at $155

2 stores
IGI | 0.28ct | Round | D | VS1 | Very Good
Save 17.4%

IGI | 0.28ct | Round | D | VS1 | Very Good

From $128

Compare at $155

2 stores
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 | 0.26ct | Round | E | VS2 | Very Good
Save 13.6%

IGI | 0.26ct | Round | E | VS2 | Very Good

From $130

Compare at $151

2 stores
IGI | 0.26ct | Round | E | VS2 | Excellent
Save 13.6%

IGI | 0.26ct | Round | E | VS2 | Excellent

From $130

Compare at $151

2 stores
IGI | 0.26ct | Round | D | SI1 | Very Good
Save 45.6%

IGI | 0.26ct | Round | D | SI1 | Very Good

From $131

Compare at $240

2 stores
IGI | 0.26ct | Round | D | VS2 | Very Good
Save 13.6%

IGI | 0.26ct | Round | D | VS2 | Very Good

From $131

Compare at $151

2 stores
IGI | 0.26ct | Round | D | VS2 | Good
Save 13.6%

IGI | 0.26ct | Round | D | VS2 | Good

From $131

Compare at $151

2 stores
IGI | 0.26ct | Round | D | VS2 | Very Good
Save 13.6%

IGI | 0.26ct | Round | D | VS2 | Very Good

From $131

Compare at $151

2 stores
IGI | 0.26ct | Round | D | VS2 | Good
Save 13.6%

IGI | 0.26ct | Round | D | VS2 | Good

From $131

Compare at $151

2 stores
IGI | 0.26ct | Round | E | VS2 | Ideal
Save 13.6%

IGI | 0.26ct | Round | E | VS2 | Ideal

From $131

Compare at $151

2 stores
IGI | 0.26ct | Round | D | VS2 | Very Good
Save 13.6%

IGI | 0.26ct | Round | D | VS2 | Very Good

From $131

Compare at $151

2 stores
IGI | 0.26ct | Round | E | VS2 | Excellent
Save 13.6%

IGI | 0.26ct | Round | E | VS2 | Excellent

From $131

Compare at $151

2 stores
IGI | 0.26ct | Round | D | VS2 | Very Good
Save 13.6%

IGI | 0.26ct | Round | D | VS2 | Very Good

From $131

Compare at $151

2 stores
IGI | 0.26ct | Round | D | VS2 | Very Good
Save 13.6%

IGI | 0.26ct | Round | D | VS2 | Very Good

From $131

Compare at $151

2 stores
IGI | 0.26ct | Round | D | VS2 | Very Good
Save 13.6%

IGI | 0.26ct | Round | D | VS2 | Very Good

From $131

Compare at $151

2 stores
IGI | 0.26ct | Round | D | VS2 | Very Good
Save 13.6%

IGI | 0.26ct | Round | D | VS2 | Very Good

From $131

Compare at $151

2 stores
IGI | 0.26ct | Round | E | VS2 | Excellent
Save 13.6%

IGI | 0.26ct | Round | E | VS2 | Excellent

From $131

Compare at $151

2 stores
IGI | 0.26ct | Round | E | VS2 | Ideal
Save 13.6%

IGI | 0.26ct | Round | E | VS2 | Ideal

From $131

Compare at $151

2 stores
IGI | 0.26ct | Round | E | VS2 | Very Good
Save 13.6%

IGI | 0.26ct | Round | E | VS2 | Very Good

From $131

Compare at $151

2 stores
IGI | 0.28ct | Round | D | VVS2 | Very Good
Save 17.5%

IGI | 0.28ct | Round | D | VVS2 | Very Good

From $131

Compare at $159

2 stores
IGI | 0.28ct | Round | D | VVS2 | Good
Save 17.5%

IGI | 0.28ct | Round | D | VVS2 | Good

From $131

Compare at $159

2 stores
IGI | 0.25ct | Round | D | VS2 | Very Good
Save 13.5%

IGI | 0.25ct | Round | D | VS2 | Very Good

From $132

Compare at $153

2 stores
IGI | 0.25ct | Round | D | VS2 | Excellent
Save 13.5%

IGI | 0.25ct | Round | D | VS2 | Excellent

From $132

Compare at $153

2 stores
View All 330,225 Offers

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