Lab Grown Radiant Diamond Prices in United Kingdom
Last updated: September 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $1,531 | $1,156 | $823 | $539 | $599 | $540 | $452 | $922 | $1,263 |
| F-G | $1,553 | $1,010 | $673 | $671 | $514 | $571 | $594 | $705 | $775 |
| H-I | - | $1,343 | $1,187 | $624 | $604 | $825 | $1,175 | $4,962 | $3,112 |
| J-K | - | $1,894 | $1,839 | $843 | $1,806 | $1,416 | $2,865 | $3,147 | $4,057 |
| L-M | - | - | $902 | $781 | $846 | $913 | - | - | - |
| N+ | $1,687 | $1,662 | $784 | $662 | $608 | $628 | $614 | $855 | $1,728 |
By Carat Weight
0.20-0.29
650 listings
Avg: £774 GBP/ct
0.30-0.49
16,967 listings
Avg: £878 GBP/ct
0.50-0.74
58,852 listings
Avg: £694 GBP/ct
0.75-0.99
38,221 listings
Avg: £685 GBP/ct
1.00-1.24
167,914 listings
Avg: £707 GBP/ct
1.25-1.49
43,733 listings
Avg: £659 GBP/ct
1.50-1.99
193,901 listings
Avg: £722 GBP/ct
2.00-2.49
186,458 listings
Avg: £849 GBP/ct
2.50-2.99
85,423 listings
Avg: £988 GBP/ct
3.00-3.99
224,087 listings
Avg: £1,032 GBP/ct
4.00-4.99
153,785 listings
Avg: £1,105 GBP/ct
5.00-9.99
122,443 listings
Avg: £1,423 GBP/ct
10.00+
15,160 listings
Avg: £511 GBP/ct
unknown
55 listings
Avg: £601 GBP/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 30,568 | £1,136 GBP |
| D-E | I | 16 | £937 GBP |
| D-E | IF | 62,619 | £858 GBP |
| D-E | SI1 | 4,225 | £335 GBP |
| D-E | SI2 | 317 | £684 GBP |
| D-E | VS1 | 264,270 | £444 GBP |
| D-E | VS2 | 45,299 | £401 GBP |
| D-E | VVS1 | 146,397 | £611 GBP |
| D-E | VVS2 | 362,577 | £400 GBP |
| F-G | FL | 216 | £1,152 GBP |
| F-G | I | 35 | £575 GBP |
| F-G | IF | 3,151 | £749 GBP |
| F-G | SI1 | 3,789 | £440 GBP |
| F-G | SI2 | 391 | £523 GBP |
| F-G | VS1 | 115,313 | £381 GBP |
| F-G | VS2 | 27,822 | £423 GBP |
| F-G | VVS1 | 12,021 | £499 GBP |
| F-G | VVS2 | 114,445 | £497 GBP |
| F-G | other | 20 | £355 GBP |
| H-I | I | 52 | £2,308 GBP |
| H-I | IF | 199 | £996 GBP |
| H-I | SI1 | 1,068 | £872 GBP |
| H-I | SI2 | 207 | £3,680 GBP |
| H-I | VS1 | 10,184 | £448 GBP |
| H-I | VS2 | 3,782 | £612 GBP |
| H-I | VVS1 | 737 | £880 GBP |
| H-I | VVS2 | 5,988 | £463 GBP |
| J-K | I | 231 | £3,009 GBP |
| J-K | IF | 21 | £1,404 GBP |
| J-K | SI1 | 1,107 | £2,125 GBP |
| J-K | SI2 | 226 | £2,334 GBP |
| J-K | VS1 | 361 | £1,339 GBP |
| J-K | VS2 | 568 | £1,050 GBP |
| J-K | VVS1 | 70 | £1,364 GBP |
| J-K | VVS2 | 250 | £625 GBP |
| L-M | VS1 | 10 | £627 GBP |
| L-M | VS2 | 10 | £677 GBP |
| L-M | VVS1 | 12 | £669 GBP |
| L-M | VVS2 | 26 | £579 GBP |
| N+ | FL | 10 | £1,251 GBP |
| N+ | I | 11 | £1,281 GBP |
| N+ | IF | 499 | £1,232 GBP |
| N+ | SI1 | 2,674 | £456 GBP |
| N+ | SI2 | 365 | £634 GBP |
| N+ | VS1 | 37,907 | £451 GBP |
| N+ | VS2 | 15,516 | £466 GBP |
| N+ | VVS1 | 1,504 | £582 GBP |
| N+ | VVS2 | 22,685 | £491 GBP |
| N+ | other | 7,878 | £1,213 GBP |