Lab Grown Radiant Diamond Prices in United Kingdom
As of July 2026, there are 1,148,519 lab grown radiant diamonds available. Prices range from £90 GBP/ct to £16,536 GBP/ct, with an average of £932 GBP/ct.
Last updated: July 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $1,628 | $1,291 | $852 | $649 | $657 | $586 | $490 | $1,038 | $738 |
| F-G | $1,679 | $1,050 | $696 | $697 | $540 | $576 | $612 | $773 | $1,000 |
| H-I | - | $1,319 | $800 | $612 | $584 | $782 | $1,219 | $5,081 | $3,156 |
| J-K | - | $1,923 | $1,919 | $842 | $1,627 | $1,420 | $2,904 | $3,446 | $4,128 |
| L-M | - | - | $902 | $489 | $846 | $535 | - | - | - |
| N+ | $1,687 | $1,749 | $886 | $784 | $729 | $706 | $690 | $879 | $1,728 |
By Carat Weight
0.20-0.29
733 listings
Avg: £918 GBP/ct
0.30-0.49
13,172 listings
Avg: £967 GBP/ct
0.50-0.74
45,775 listings
Avg: £783 GBP/ct
0.75-0.99
37,367 listings
Avg: £749 GBP/ct
1.00-1.24
161,492 listings
Avg: £781 GBP/ct
1.25-1.49
42,215 listings
Avg: £693 GBP/ct
1.50-1.99
188,021 listings
Avg: £793 GBP/ct
2.00-2.49
155,085 listings
Avg: £923 GBP/ct
2.50-2.99
82,440 listings
Avg: £1,037 GBP/ct
3.00-3.99
201,438 listings
Avg: £1,123 GBP/ct
4.00-4.99
110,970 listings
Avg: £1,204 GBP/ct
5.00-9.99
94,124 listings
Avg: £1,512 GBP/ct
10.00+
15,610 listings
Avg: £602 GBP/ct
unknown
77 listings
Avg: £943 GBP/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 20,444 | £1,282 GBP |
| D-E | I | 10 | £581 GBP |
| D-E | IF | 51,577 | £1,016 GBP |
| D-E | SI1 | 4,155 | £386 GBP |
| D-E | SI2 | 303 | £818 GBP |
| D-E | VS1 | 236,176 | £518 GBP |
| D-E | VS2 | 42,176 | £461 GBP |
| D-E | VVS1 | 118,798 | £671 GBP |
| D-E | VVS2 | 319,778 | £511 GBP |
| F-G | FL | 105 | £1,322 GBP |
| F-G | I | 20 | £787 GBP |
| F-G | IF | 2,591 | £827 GBP |
| F-G | SI1 | 3,640 | £482 GBP |
| F-G | SI2 | 323 | £609 GBP |
| F-G | VS1 | 104,222 | £425 GBP |
| F-G | VS2 | 27,805 | £454 GBP |
| F-G | VVS1 | 10,562 | £548 GBP |
| F-G | VVS2 | 94,832 | £549 GBP |
| F-G | other | 20 | £377 GBP |
| H-I | I | 34 | £2,485 GBP |
| H-I | IF | 166 | £1,039 GBP |
| H-I | SI1 | 1,058 | £960 GBP |
| H-I | SI2 | 214 | £4,001 GBP |
| H-I | VS1 | 9,707 | £460 GBP |
| H-I | VS2 | 3,669 | £616 GBP |
| H-I | VVS1 | 382 | £630 GBP |
| H-I | VVS2 | 4,931 | £482 GBP |
| J-K | I | 134 | £3,250 GBP |
| J-K | IF | 21 | £1,514 GBP |
| J-K | SI1 | 867 | £2,286 GBP |
| J-K | SI2 | 211 | £2,713 GBP |
| J-K | VS1 | 436 | £1,281 GBP |
| J-K | VS2 | 782 | £1,118 GBP |
| J-K | VVS1 | 47 | £1,511 GBP |
| J-K | VVS2 | 212 | £663 GBP |
| L-M | VS1 | 10 | £666 GBP |
| L-M | VS2 | 10 | £421 GBP |
| L-M | VVS1 | 12 | £710 GBP |
| L-M | VVS2 | 10 | £385 GBP |
| N+ | FL | 10 | £1,328 GBP |
| N+ | I | 11 | £1,360 GBP |
| N+ | IF | 534 | £1,378 GBP |
| N+ | SI1 | 2,819 | £544 GBP |
| N+ | SI2 | 443 | £692 GBP |
| N+ | VS1 | 38,474 | £574 GBP |
| N+ | VS2 | 15,607 | £556 GBP |
| N+ | VVS1 | 1,500 | £698 GBP |
| N+ | VVS2 | 22,918 | £618 GBP |
| N+ | other | 5,753 | £1,322 GBP |