Lab Grown Round 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 | $2,315 | $1,633 | $818 | $541 | $512 | $512 | $534 | $2,180 | $3,727 |
| F-G | $1,537 | $1,732 | $1,270 | $805 | $779 | $893 | $976 | $1,829 | $3,343 |
| H-I | $1,377 | $3,629 | $1,438 | $986 | $1,193 | $1,651 | $1,641 | $3,727 | $2,462 |
| J-K | $1,341 | $5,529 | $4,750 | $2,017 | $1,116 | $1,909 | $2,333 | $3,366 | $2,399 |
| L-M | $6,292 | $4,011 | $3,331 | $3,815 | $2,695 | $2,945 | $2,560 | $2,745 | $1,554 |
| N+ | $1,687 | $1,893 | $771 | $563 | $559 | $634 | $817 | $908 | $543 |
By Carat Weight
0.20-0.29
73,895 listings
Avg: £744 GBP/ct
0.30-0.49
548,017 listings
Avg: £984 GBP/ct
0.50-0.74
640,068 listings
Avg: £1,072 GBP/ct
0.75-0.99
276,421 listings
Avg: £1,102 GBP/ct
1.00-1.24
1,741,788 listings
Avg: £957 GBP/ct
1.25-1.49
351,489 listings
Avg: £859 GBP/ct
1.50-1.99
1,411,690 listings
Avg: £1,119 GBP/ct
2.00-2.49
1,029,919 listings
Avg: £1,489 GBP/ct
2.50-2.99
523,966 listings
Avg: £1,675 GBP/ct
3.00-3.99
571,118 listings
Avg: £1,860 GBP/ct
4.00-4.99
280,196 listings
Avg: £2,492 GBP/ct
5.00-9.99
268,503 listings
Avg: £2,310 GBP/ct
10.00+
22,361 listings
Avg: £1,713 GBP/ct
unknown
10,963 listings
Avg: £1,156 GBP/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 115,755 | £1,717 GBP |
| D-E | I | 1,365 | £2,764 GBP |
| D-E | IF | 209,918 | £1,211 GBP |
| D-E | SI1 | 61,339 | £396 GBP |
| D-E | SI2 | 14,357 | £1,617 GBP |
| D-E | VS1 | 1,678,590 | £380 GBP |
| D-E | VS2 | 451,510 | £380 GBP |
| D-E | VVS1 | 902,671 | £607 GBP |
| D-E | VVS2 | 2,528,986 | £401 GBP |
| F-G | FL | 1,115 | £1,140 GBP |
| F-G | I | 2,025 | £2,479 GBP |
| F-G | IF | 16,955 | £1,285 GBP |
| F-G | SI1 | 29,503 | £724 GBP |
| F-G | SI2 | 11,752 | £1,357 GBP |
| F-G | VS1 | 468,106 | £578 GBP |
| F-G | VS2 | 134,362 | £662 GBP |
| F-G | VVS1 | 111,918 | £942 GBP |
| F-G | VVS2 | 633,759 | £597 GBP |
| H-I | FL | 20 | £1,021 GBP |
| H-I | I | 2,061 | £1,826 GBP |
| H-I | IF | 2,888 | £2,692 GBP |
| H-I | SI1 | 19,266 | £1,217 GBP |
| H-I | SI2 | 10,994 | £2,764 GBP |
| H-I | VS1 | 54,888 | £885 GBP |
| H-I | VS2 | 37,560 | £1,225 GBP |
| H-I | VVS1 | 13,224 | £1,066 GBP |
| H-I | VVS2 | 37,080 | £731 GBP |
| J-K | FL | 12 | £995 GBP |
| J-K | I | 2,022 | £1,779 GBP |
| J-K | IF | 1,131 | £4,101 GBP |
| J-K | SI1 | 12,554 | £1,730 GBP |
| J-K | SI2 | 5,773 | £2,496 GBP |
| J-K | VS1 | 22,976 | £828 GBP |
| J-K | VS2 | 15,321 | £1,416 GBP |
| J-K | VVS1 | 3,259 | £3,523 GBP |
| J-K | VVS2 | 6,942 | £1,496 GBP |
| L-M | FL | 10 | £4,667 GBP |
| L-M | I | 239 | £1,152 GBP |
| L-M | IF | 346 | £2,975 GBP |
| L-M | SI1 | 905 | £1,898 GBP |
| L-M | SI2 | 647 | £2,036 GBP |
| L-M | VS1 | 927 | £1,999 GBP |
| L-M | VS2 | 1,044 | £2,184 GBP |
| L-M | VVS1 | 774 | £2,471 GBP |
| L-M | VVS2 | 921 | £2,829 GBP |
| N+ | FL | 28 | £1,252 GBP |
| N+ | I | 1,206 | £403 GBP |
| N+ | IF | 736 | £1,404 GBP |
| N+ | SI1 | 8,677 | £606 GBP |
| N+ | SI2 | 3,124 | £674 GBP |
| N+ | VS1 | 44,948 | £414 GBP |
| N+ | VS2 | 21,012 | £470 GBP |
| N+ | VVS1 | 4,453 | £572 GBP |
| N+ | VVS2 | 29,370 | £417 GBP |
| N+ | other | 9,070 | £1,228 GBP |