Lab Grown Marquise 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 | $2,385 | $1,899 | $855 | $567 | $583 | $592 | $545 | $918 | $1,301 |
| F-G | $2,084 | $1,322 | $729 | $525 | $490 | $525 | $466 | $2,652 | $1,460 |
| H-I | - | $4,213 | $1,247 | $541 | $621 | $910 | $1,359 | $2,559 | $1,679 |
| J-K | - | $1,696 | $1,485 | $2,415 | $1,214 | $1,401 | $1,564 | $1,984 | $2,089 |
| L-M | - | - | - | $698 | $440 | - | $2,493 | $1,229 | - |
| N+ | - | $1,740 | $828 | $647 | $620 | $715 | $658 | $560 | - |
By Carat Weight
0.20-0.29
1,403 listings
Avg: $995 USD/ct
0.30-0.49
54,676 listings
Avg: $979 USD/ct
0.50-0.74
74,080 listings
Avg: $984 USD/ct
0.75-0.99
69,291 listings
Avg: $1,045 USD/ct
1.00-1.24
255,949 listings
Avg: $1,084 USD/ct
1.25-1.49
92,841 listings
Avg: $912 USD/ct
1.50-1.99
234,600 listings
Avg: $1,245 USD/ct
2.00-2.49
110,932 listings
Avg: $1,728 USD/ct
2.50-2.99
90,080 listings
Avg: $1,411 USD/ct
3.00-3.99
108,369 listings
Avg: $1,138 USD/ct
4.00-4.99
58,647 listings
Avg: $1,090 USD/ct
5.00-9.99
37,769 listings
Avg: $1,169 USD/ct
10.00+
7,752 listings
Avg: $766 USD/ct
unknown
494 listings
Avg: $1,028 USD/ct
Price by Color & Clarity
| Color | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 44,806 | $2,385 USD |
| D-E | I | 37 | $1,301 USD |
| D-E | IF | 44,945 | $1,899 USD |
| D-E | SI1 | 2,672 | $545 USD |
| D-E | SI2 | 229 | $918 USD |
| D-E | VS1 | 250,814 | $583 USD |
| D-E | VS2 | 57,101 | $592 USD |
| D-E | VVS1 | 143,762 | $855 USD |
| D-E | VVS2 | 353,896 | $567 USD |
| F-G | FL | 115 | $2,084 USD |
| F-G | I | 37 | $1,460 USD |
| F-G | IF | 1,334 | $1,322 USD |
| F-G | SI1 | 1,592 | $466 USD |
| F-G | SI2 | 170 | $2,652 USD |
| F-G | VS1 | 97,587 | $490 USD |
| F-G | VS2 | 16,834 | $525 USD |
| F-G | VVS1 | 14,125 | $729 USD |
| F-G | VVS2 | 123,798 | $525 USD |
| H-I | I | 58 | $1,679 USD |
| H-I | IF | 80 | $4,213 USD |
| H-I | SI1 | 751 | $1,359 USD |
| H-I | SI2 | 153 | $2,559 USD |
| H-I | VS1 | 4,023 | $621 USD |
| H-I | VS2 | 1,876 | $910 USD |
| H-I | VVS1 | 643 | $1,247 USD |
| H-I | VVS2 | 3,362 | $541 USD |
| J-K | I | 68 | $2,089 USD |
| J-K | IF | 21 | $1,696 USD |
| J-K | SI1 | 641 | $1,564 USD |
| J-K | SI2 | 152 | $1,984 USD |
| J-K | VS1 | 201 | $1,214 USD |
| J-K | VS2 | 378 | $1,401 USD |
| J-K | VVS1 | 51 | $1,485 USD |
| J-K | VVS2 | 172 | $2,415 USD |
| L-M | SI1 | 11 | $2,493 USD |
| L-M | SI2 | 40 | $1,229 USD |
| L-M | VS1 | 33 | $440 USD |
| L-M | VVS2 | 11 | $698 USD |
| N+ | IF | 251 | $1,740 USD |
| N+ | SI1 | 734 | $658 USD |
| N+ | SI2 | 86 | $560 USD |
| N+ | VS1 | 11,769 | $620 USD |
| N+ | VS2 | 4,258 | $715 USD |
| N+ | VVS1 | 631 | $828 USD |
| N+ | VVS2 | 9,517 | $647 USD |
| N+ | other | 3,058 | $1,748 USD |