Lab Grown Marquise Diamonds
As of April 2026, there are 831,277 lab grown marquise diamonds available. Prices range from £131 GBP/ct to £14,063 GBP/ct, with an average of £850 GBP/ct.
Last updated: April 2026
By Carat Weight
Price Distribution
LowHigh
| Color | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $3,364 | $2,262 | $957 | $572 | $536 | $594 | $495 | $1,382 | $1,550 |
| F-G | - | $1,752 | $830 | $550 | $547 | $576 | $465 | $1,678 | $1,259 |
| H-I | - | $2,161 | $1,188 | $519 | $546 | $855 | $1,449 | $2,778 | $1,236 |
| J-K | - | $1,406 | $1,891 | $1,742 | $1,572 | $1,179 | $1,729 | $1,723 | $1,325 |
| L-M | - | - | - | - | $843 | - | - | $1,157 | - |
| N+ | - | $1,745 | $889 | $817 | $821 | $921 | $782 | $626 | - |
By Carat Weight
0.20-0.29
912 listings
Avg: £865 GBP/ct
0.30-0.49
40,183 listings
Avg: £882 GBP/ct
0.50-0.74
66,149 listings
Avg: £860 GBP/ct
0.75-0.99
62,006 listings
Avg: £903 GBP/ct
1.00-1.24
158,062 listings
Avg: £903 GBP/ct
1.25-1.49
38,918 listings
Avg: £598 GBP/ct
1.50-1.99
115,638 listings
Avg: £995 GBP/ct
2.00-2.49
108,773 listings
Avg: £976 GBP/ct
2.50-2.99
43,451 listings
Avg: £688 GBP/ct
3.00-3.99
110,415 listings
Avg: £849 GBP/ct
4.00-4.99
17,758 listings
Avg: £938 GBP/ct
5.00-9.99
62,010 listings
Avg: £804 GBP/ct
10.00+
6,715 listings
Avg: £516 GBP/ct
unknown
287 listings
Avg: £858 GBP/ct
Price by Color & Clarity
| Color | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 2,820 | £2,649 GBP |
| D-E | I | 23 | £1,221 GBP |
| D-E | IF | 23,303 | £1,781 GBP |
| D-E | SI1 | 3,749 | £390 GBP |
| D-E | SI2 | 259 | £1,088 GBP |
| D-E | VS1 | 200,338 | £422 GBP |
| D-E | VS2 | 58,874 | £467 GBP |
| D-E | VVS1 | 70,177 | £753 GBP |
| D-E | VVS2 | 239,392 | £450 GBP |
| F-G | I | 46 | £992 GBP |
| F-G | IF | 803 | £1,379 GBP |
| F-G | SI1 | 2,159 | £366 GBP |
| F-G | SI2 | 228 | £1,321 GBP |
| F-G | VS1 | 85,077 | £431 GBP |
| F-G | VS2 | 22,123 | £454 GBP |
| F-G | VVS1 | 9,960 | £653 GBP |
| F-G | VVS2 | 87,520 | £433 GBP |
| H-I | I | 63 | £973 GBP |
| H-I | IF | 101 | £1,702 GBP |
| H-I | SI1 | 537 | £1,141 GBP |
| H-I | SI2 | 194 | £2,188 GBP |
| H-I | VS1 | 4,016 | £430 GBP |
| H-I | VS2 | 1,702 | £674 GBP |
| H-I | VVS1 | 671 | £936 GBP |
| H-I | VVS2 | 3,073 | £409 GBP |
| J-K | I | 51 | £1,043 GBP |
| J-K | IF | 16 | £1,107 GBP |
| J-K | SI1 | 293 | £1,362 GBP |
| J-K | SI2 | 171 | £1,356 GBP |
| J-K | VS1 | 230 | £1,238 GBP |
| J-K | VS2 | 273 | £928 GBP |
| J-K | VVS1 | 92 | £1,489 GBP |
| J-K | VVS2 | 161 | £1,372 GBP |
| L-M | SI2 | 31 | £911 GBP |
| L-M | VS1 | 33 | £664 GBP |
| N+ | IF | 125 | £1,374 GBP |
| N+ | SI1 | 399 | £616 GBP |
| N+ | SI2 | 26 | £493 GBP |
| N+ | VS1 | 5,807 | £646 GBP |
| N+ | VS2 | 2,025 | £725 GBP |
| N+ | VVS1 | 230 | £700 GBP |
| N+ | VVS2 | 4,106 | £643 GBP |