Lab Grown Cushion Diamond Prices in United States
Last updated: September 2026
By Carat Weight
Price Distribution
LowHigh
| Color | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $2,462 | $2,368 | $818 | $752 | $551 | $550 | $448 | $657 | $2,388 |
| F-G | $2,119 | $1,318 | $728 | $542 | $484 | $505 | $483 | $955 | $1,434 |
| H-I | - | $2,072 | $1,249 | $709 | $780 | $920 | $1,365 | $2,363 | $2,198 |
| J-K | - | $1,340 | $1,910 | $985 | $1,043 | $1,295 | $1,425 | $3,823 | $4,059 |
| L-M | - | - | - | $693 | $557 | $764 | $1,343 | - | - |
| N+ | - | $1,569 | $767 | $661 | $608 | $742 | $872 | $843 | $323 |
By Carat Weight
0.20-0.29
447 listings
Avg: $1,436 USD/ct
0.30-0.49
12,056 listings
Avg: $1,235 USD/ct
0.50-0.74
36,660 listings
Avg: $1,035 USD/ct
0.75-0.99
41,801 listings
Avg: $970 USD/ct
1.00-1.24
153,092 listings
Avg: $1,005 USD/ct
1.25-1.49
37,885 listings
Avg: $834 USD/ct
1.50-1.99
186,537 listings
Avg: $1,091 USD/ct
2.00-2.49
243,394 listings
Avg: $1,059 USD/ct
2.50-2.99
155,841 listings
Avg: $1,180 USD/ct
3.00-3.99
241,630 listings
Avg: $1,071 USD/ct
4.00-4.99
105,323 listings
Avg: $1,213 USD/ct
5.00-9.99
99,771 listings
Avg: $1,480 USD/ct
10.00+
13,988 listings
Avg: $1,716 USD/ct
unknown
31 listings
Avg: $2,020 USD/ct
Price by Color & Clarity
| Color | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 32,472 | $2,462 USD |
| D-E | I | 34 | $2,388 USD |
| D-E | IF | 36,658 | $2,368 USD |
| D-E | SI1 | 6,196 | $448 USD |
| D-E | SI2 | 663 | $657 USD |
| D-E | VS1 | 291,941 | $551 USD |
| D-E | VS2 | 57,082 | $550 USD |
| D-E | VVS1 | 126,666 | $818 USD |
| D-E | VVS2 | 371,551 | $752 USD |
| F-G | FL | 233 | $2,119 USD |
| F-G | I | 73 | $1,434 USD |
| F-G | IF | 1,746 | $1,318 USD |
| F-G | SI1 | 3,781 | $483 USD |
| F-G | SI2 | 438 | $955 USD |
| F-G | VS1 | 119,520 | $484 USD |
| F-G | VS2 | 28,893 | $505 USD |
| F-G | VVS1 | 12,142 | $728 USD |
| F-G | VVS2 | 108,508 | $542 USD |
| H-I | I | 35 | $2,198 USD |
| H-I | IF | 85 | $2,072 USD |
| H-I | SI1 | 1,153 | $1,365 USD |
| H-I | SI2 | 355 | $2,363 USD |
| H-I | VS1 | 10,013 | $780 USD |
| H-I | VS2 | 3,776 | $920 USD |
| H-I | VVS1 | 784 | $1,249 USD |
| H-I | VVS2 | 5,020 | $709 USD |
| J-K | I | 140 | $4,059 USD |
| J-K | IF | 35 | $1,340 USD |
| J-K | SI1 | 1,281 | $1,425 USD |
| J-K | SI2 | 261 | $3,823 USD |
| J-K | VS1 | 934 | $1,043 USD |
| J-K | VS2 | 941 | $1,295 USD |
| J-K | VVS1 | 113 | $1,910 USD |
| J-K | VVS2 | 441 | $985 USD |
| L-M | SI1 | 27 | $1,343 USD |
| L-M | VS1 | 211 | $557 USD |
| L-M | VS2 | 37 | $764 USD |
| L-M | VVS2 | 94 | $693 USD |
| N+ | I | 38 | $323 USD |
| N+ | IF | 428 | $1,569 USD |
| N+ | SI1 | 3,085 | $872 USD |
| N+ | SI2 | 564 | $843 USD |
| N+ | VS1 | 45,462 | $608 USD |
| N+ | VS2 | 17,237 | $742 USD |
| N+ | VVS1 | 2,498 | $767 USD |
| N+ | VVS2 | 26,790 | $661 USD |
| N+ | other | 8,021 | $1,807 USD |