Lab Grown Radiant Diamond Prices in United Kingdom
As of June 2026, there are 1,158,572 lab grown radiant diamonds available. Prices range from £142 GBP/ct to £16,536 GBP/ct, with an average of £1,063 GBP/ct.
Last updated: June 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | 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: £935 GBP/ct
0.30-0.49
11,070 listings
Avg: £1,025 GBP/ct
0.50-0.74
36,490 listings
Avg: £913 GBP/ct
0.75-0.99
40,613 listings
Avg: £897 GBP/ct
1.00-1.24
145,853 listings
Avg: £890 GBP/ct
1.25-1.49
39,683 listings
Avg: £705 GBP/ct
1.50-1.99
176,201 listings
Avg: £931 GBP/ct
2.00-2.49
129,990 listings
Avg: £1,004 GBP/ct
2.50-2.99
95,814 listings
Avg: £1,046 GBP/ct
3.00-3.99
255,371 listings
Avg: £1,315 GBP/ct
4.00-4.99
147,000 listings
Avg: £1,500 GBP/ct
5.00-9.99
64,294 listings
Avg: £2,020 GBP/ct
10.00+
15,562 listings
Avg: £559 GBP/ct
unknown
58 listings
Avg: £614 GBP/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 10,032 | £2,339 GBP |
| D-E | I | 10 | £1,041 GBP |
| D-E | IF | 40,923 | £1,223 GBP |
| D-E | SI1 | 7,050 | £348 GBP |
| D-E | SI2 | 365 | £821 GBP |
| D-E | VS1 | 265,346 | £458 GBP |
| D-E | VS2 | 53,407 | £448 GBP |
| D-E | VVS1 | 96,667 | £775 GBP |
| D-E | VVS2 | 342,714 | £455 GBP |
| F-G | FL | 21 | £3,721 GBP |
| F-G | I | 21 | £660 GBP |
| F-G | IF | 2,065 | £1,011 GBP |
| F-G | SI1 | 4,689 | £385 GBP |
| F-G | SI2 | 322 | £636 GBP |
| F-G | VS1 | 114,378 | £393 GBP |
| F-G | VS2 | 30,397 | £414 GBP |
| F-G | VVS1 | 9,151 | £587 GBP |
| F-G | VVS2 | 106,685 | £513 GBP |
| F-G | other | 10 | £267 GBP |
| H-I | I | 41 | £3,261 GBP |
| H-I | IF | 141 | £1,258 GBP |
| H-I | SI1 | 1,001 | £992 GBP |
| H-I | SI2 | 267 | £4,137 GBP |
| H-I | VS1 | 10,541 | £393 GBP |
| H-I | VS2 | 3,659 | £540 GBP |
| H-I | VVS1 | 427 | £650 GBP |
| H-I | VVS2 | 6,153 | £428 GBP |
| J-K | I | 194 | £5,030 GBP |
| J-K | IF | 21 | £1,511 GBP |
| J-K | SI1 | 752 | £2,676 GBP |
| J-K | SI2 | 247 | £3,251 GBP |
| J-K | VS1 | 397 | £812 GBP |
| J-K | VS2 | 570 | £2,095 GBP |
| J-K | VVS1 | 46 | £1,929 GBP |
| J-K | VVS2 | 198 | £764 GBP |
| L-M | VS1 | 10 | £666 GBP |
| L-M | VS2 | 10 | £421 GBP |
| L-M | VVS1 | 12 | £710 GBP |
| N+ | I | 11 | £1,360 GBP |
| N+ | IF | 392 | £1,366 GBP |
| N+ | SI1 | 1,766 | £681 GBP |
| N+ | SI2 | 285 | £984 GBP |
| N+ | VS1 | 21,571 | £604 GBP |
| N+ | VS2 | 9,001 | £590 GBP |
| N+ | VVS1 | 891 | £760 GBP |
| N+ | VVS2 | 12,978 | £629 GBP |
| N+ | other | 2,737 | £1,294 GBP |