Lab Grown Heart Diamond Prices in United Kingdom
Last updated: October 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $1,322 | $1,140 | $672 | $542 | $584 | $438 | $378 | $372 | $329 |
| F-G | $1,127 | $1,078 | $554 | $456 | $444 | $469 | $459 | $617 | - |
| H-I | - | $410 | $529 | $423 | $501 | $647 | $780 | $1,068 | - |
| J-K | - | - | $797 | $443 | $653 | $800 | $693 | - | - |
| L-M | - | - | - | - | $486 | - | - | - | - |
| N+ | $1,066 | $1,277 | $560 | $467 | $448 | $485 | $459 | $416 | $287 |
By Carat Weight
0.20-0.29
1,125 listings
Avg: £524 GBP/ct
0.30-0.49
12,077 listings
Avg: £475 GBP/ct
0.50-0.74
36,580 listings
Avg: £470 GBP/ct
0.75-0.99
36,773 listings
Avg: £401 GBP/ct
1.00-1.24
200,649 listings
Avg: £418 GBP/ct
1.25-1.49
36,764 listings
Avg: £404 GBP/ct
1.50-1.99
162,369 listings
Avg: £421 GBP/ct
2.00-2.49
127,217 listings
Avg: £535 GBP/ct
2.50-2.99
53,574 listings
Avg: £511 GBP/ct
3.00-3.99
68,343 listings
Avg: £453 GBP/ct
4.00-4.99
31,642 listings
Avg: £541 GBP/ct
5.00-9.99
65,440 listings
Avg: £568 GBP/ct
10.00+
12,612 listings
Avg: £468 GBP/ct
unknown
128 listings
Avg: £930 GBP/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 11,961 | £995 GBP |
| D-E | I | 11 | £248 GBP |
| D-E | IF | 21,774 | £858 GBP |
| D-E | SI1 | 2,860 | £285 GBP |
| D-E | SI2 | 252 | £280 GBP |
| D-E | VS1 | 189,740 | £440 GBP |
| D-E | VS2 | 33,812 | £330 GBP |
| D-E | VVS1 | 81,641 | £506 GBP |
| D-E | VVS2 | 251,617 | £408 GBP |
| F-G | FL | 162 | £848 GBP |
| F-G | IF | 678 | £811 GBP |
| F-G | SI1 | 1,655 | £346 GBP |
| F-G | SI2 | 103 | £465 GBP |
| F-G | VS1 | 46,019 | £334 GBP |
| F-G | VS2 | 11,746 | £353 GBP |
| F-G | VVS1 | 8,484 | £417 GBP |
| F-G | VVS2 | 51,812 | £343 GBP |
| H-I | IF | 16 | £309 GBP |
| H-I | SI1 | 403 | £587 GBP |
| H-I | SI2 | 53 | £804 GBP |
| H-I | VS1 | 2,909 | £377 GBP |
| H-I | VS2 | 768 | £487 GBP |
| H-I | VVS1 | 221 | £398 GBP |
| H-I | VVS2 | 1,755 | £318 GBP |
| J-K | SI1 | 35 | £522 GBP |
| J-K | VS1 | 32 | £492 GBP |
| J-K | VS2 | 89 | £602 GBP |
| J-K | VVS1 | 10 | £599 GBP |
| J-K | VVS2 | 181 | £334 GBP |
| L-M | VS1 | 80 | £366 GBP |
| N+ | FL | 18 | £802 GBP |
| N+ | I | 210 | £216 GBP |
| N+ | IF | 125 | £961 GBP |
| N+ | SI1 | 4,678 | £346 GBP |
| N+ | SI2 | 1,114 | £313 GBP |
| N+ | VS1 | 58,072 | £337 GBP |
| N+ | VS2 | 22,724 | £365 GBP |
| N+ | VVS1 | 2,100 | £421 GBP |
| N+ | VVS2 | 31,984 | £351 GBP |
| N+ | other | 3,389 | £1,279 GBP |