Lab Grown Radiant Diamond Prices in United States
As of June 2026, there are 1,158,572 lab grown radiant diamonds available. Prices range from $181 USD/ct to $21,000 USD/ct, with an average of $1,350 USD/ct.
Last updated: June 2026
By Carat Weight
Price Distribution
LowHigh
| Color | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $2,971 | $1,553 | $984 | $578 | $582 | $569 | $442 | $1,042 | $1,322 |
| F-G | $4,726 | $1,285 | $746 | $651 | $499 | $525 | $490 | $807 | $838 |
| H-I | - | $1,598 | $825 | $544 | $499 | $686 | $1,260 | $5,254 | $4,142 |
| J-K | - | $1,919 | $2,450 | $970 | $1,031 | $2,661 | $3,398 | $4,129 | $6,389 |
| L-M | - | - | $902 | - | $846 | $535 | - | - | - |
| N+ | - | $1,735 | $965 | $798 | $767 | $749 | $864 | $1,250 | $1,728 |
By Carat Weight
0.20-0.29
573 listings
Avg: $1,188 USD/ct
0.30-0.49
11,070 listings
Avg: $1,302 USD/ct
0.50-0.74
36,490 listings
Avg: $1,159 USD/ct
0.75-0.99
40,613 listings
Avg: $1,139 USD/ct
1.00-1.24
145,853 listings
Avg: $1,130 USD/ct
1.25-1.49
39,683 listings
Avg: $896 USD/ct
1.50-1.99
176,201 listings
Avg: $1,183 USD/ct
2.00-2.49
129,990 listings
Avg: $1,275 USD/ct
2.50-2.99
95,814 listings
Avg: $1,328 USD/ct
3.00-3.99
255,371 listings
Avg: $1,670 USD/ct
4.00-4.99
147,000 listings
Avg: $1,905 USD/ct
5.00-9.99
64,294 listings
Avg: $2,565 USD/ct
10.00+
15,562 listings
Avg: $710 USD/ct
unknown
58 listings
Avg: $780 USD/ct
Price by Color & Clarity
| Color | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 10,032 | $2,971 USD |
| D-E | I | 10 | $1,322 USD |
| D-E | IF | 40,923 | $1,553 USD |
| D-E | SI1 | 7,050 | $442 USD |
| D-E | SI2 | 365 | $1,042 USD |
| D-E | VS1 | 265,346 | $582 USD |
| D-E | VS2 | 53,407 | $569 USD |
| D-E | VVS1 | 96,667 | $984 USD |
| D-E | VVS2 | 342,714 | $578 USD |
| F-G | FL | 21 | $4,726 USD |
| F-G | I | 21 | $838 USD |
| F-G | IF | 2,065 | $1,285 USD |
| F-G | SI1 | 4,689 | $490 USD |
| F-G | SI2 | 322 | $807 USD |
| F-G | VS1 | 114,378 | $499 USD |
| F-G | VS2 | 30,397 | $525 USD |
| F-G | VVS1 | 9,151 | $746 USD |
| F-G | VVS2 | 106,685 | $651 USD |
| F-G | other | 10 | $339 USD |
| H-I | I | 41 | $4,142 USD |
| H-I | IF | 141 | $1,598 USD |
| H-I | SI1 | 1,001 | $1,260 USD |
| H-I | SI2 | 267 | $5,254 USD |
| H-I | VS1 | 10,541 | $499 USD |
| H-I | VS2 | 3,659 | $686 USD |
| H-I | VVS1 | 427 | $825 USD |
| H-I | VVS2 | 6,153 | $544 USD |
| J-K | I | 194 | $6,389 USD |
| J-K | IF | 21 | $1,919 USD |
| J-K | SI1 | 752 | $3,398 USD |
| J-K | SI2 | 247 | $4,129 USD |
| J-K | VS1 | 397 | $1,031 USD |
| J-K | VS2 | 570 | $2,661 USD |
| J-K | VVS1 | 46 | $2,450 USD |
| J-K | VVS2 | 198 | $970 USD |
| L-M | VS1 | 10 | $846 USD |
| L-M | VS2 | 10 | $535 USD |
| L-M | VVS1 | 12 | $902 USD |
| N+ | I | 11 | $1,728 USD |
| N+ | IF | 392 | $1,735 USD |
| N+ | SI1 | 1,766 | $864 USD |
| N+ | SI2 | 285 | $1,250 USD |
| N+ | VS1 | 21,571 | $767 USD |
| N+ | VS2 | 9,001 | $749 USD |
| N+ | VVS1 | 891 | $965 USD |
| N+ | VVS2 | 12,978 | $798 USD |
| N+ | other | 2,737 | $1,643 USD |