Lab Grown Round Diamond Prices in United Kingdom
As of July 2026, there are 6,595,431 lab grown round diamonds available. Prices range from £94 GBP/ct to £22,058 GBP/ct, with an average of £1,655 GBP/ct.
Last updated: July 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $1,951 | $1,840 | $963 | $658 | $635 | $621 | $707 | $2,703 | $3,815 |
| F-G | $1,811 | $1,853 | $1,534 | $951 | $932 | $1,107 | $1,172 | $3,377 | $3,459 |
| H-I | $1,377 | $3,516 | $1,580 | $1,101 | $1,244 | $1,656 | $2,341 | $4,077 | $2,879 |
| J-K | $1,341 | $5,618 | $6,332 | $2,191 | $1,285 | $2,103 | $2,797 | $3,487 | $2,525 |
| L-M | $6,292 | $4,122 | $3,537 | $4,170 | $3,153 | $3,193 | $2,970 | $2,938 | $1,642 |
| N+ | - | $2,065 | $846 | $698 | $698 | $779 | $948 | $1,493 | $823 |
By Carat Weight
0.20-0.29
63,998 listings
Avg: £867 GBP/ct
0.30-0.49
447,445 listings
Avg: £1,100 GBP/ct
0.50-0.74
639,056 listings
Avg: £1,141 GBP/ct
0.75-0.99
220,996 listings
Avg: £1,275 GBP/ct
1.00-1.24
1,335,830 listings
Avg: £1,263 GBP/ct
1.25-1.49
289,784 listings
Avg: £1,095 GBP/ct
1.50-1.99
1,207,636 listings
Avg: £1,421 GBP/ct
2.00-2.49
929,032 listings
Avg: £1,820 GBP/ct
2.50-2.99
412,023 listings
Avg: £2,097 GBP/ct
3.00-3.99
553,120 listings
Avg: £2,338 GBP/ct
4.00-4.99
231,135 listings
Avg: £3,217 GBP/ct
5.00-9.99
234,463 listings
Avg: £2,715 GBP/ct
10.00+
19,253 listings
Avg: £1,490 GBP/ct
unknown
11,660 listings
Avg: £1,352 GBP/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 79,206 | £1,536 GBP |
| D-E | I | 3,533 | £3,004 GBP |
| D-E | IF | 186,904 | £1,449 GBP |
| D-E | SI1 | 53,227 | £557 GBP |
| D-E | SI2 | 15,474 | £2,129 GBP |
| D-E | VS1 | 1,413,899 | £500 GBP |
| D-E | VS2 | 339,567 | £489 GBP |
| D-E | VVS1 | 764,719 | £758 GBP |
| D-E | VVS2 | 2,194,992 | £518 GBP |
| F-G | FL | 724 | £1,426 GBP |
| F-G | I | 5,474 | £2,723 GBP |
| F-G | IF | 17,229 | £1,459 GBP |
| F-G | SI1 | 29,388 | £923 GBP |
| F-G | SI2 | 14,615 | £2,659 GBP |
| F-G | VS1 | 384,974 | £734 GBP |
| F-G | VS2 | 117,375 | £871 GBP |
| F-G | VVS1 | 88,856 | £1,208 GBP |
| F-G | VVS2 | 496,703 | £749 GBP |
| H-I | FL | 20 | £1,084 GBP |
| H-I | I | 5,499 | £2,267 GBP |
| H-I | IF | 4,982 | £2,768 GBP |
| H-I | SI1 | 21,000 | £1,843 GBP |
| H-I | SI2 | 13,703 | £3,211 GBP |
| H-I | VS1 | 51,579 | £979 GBP |
| H-I | VS2 | 31,563 | £1,304 GBP |
| H-I | VVS1 | 14,997 | £1,244 GBP |
| H-I | VVS2 | 35,466 | £867 GBP |
| J-K | FL | 12 | £1,056 GBP |
| J-K | I | 3,697 | £1,988 GBP |
| J-K | IF | 2,480 | £4,424 GBP |
| J-K | SI1 | 13,554 | £2,202 GBP |
| J-K | SI2 | 8,179 | £2,746 GBP |
| J-K | VS1 | 24,559 | £1,012 GBP |
| J-K | VS2 | 16,145 | £1,656 GBP |
| J-K | VVS1 | 5,723 | £4,986 GBP |
| J-K | VVS2 | 9,386 | £1,725 GBP |
| L-M | FL | 10 | £4,955 GBP |
| L-M | I | 631 | £1,293 GBP |
| L-M | IF | 778 | £3,246 GBP |
| L-M | SI1 | 2,416 | £2,339 GBP |
| L-M | SI2 | 1,769 | £2,314 GBP |
| L-M | VS1 | 2,097 | £2,482 GBP |
| L-M | VS2 | 2,294 | £2,514 GBP |
| L-M | VVS1 | 1,961 | £2,785 GBP |
| L-M | VVS2 | 2,004 | £3,284 GBP |
| N+ | I | 1,367 | £648 GBP |
| N+ | IF | 770 | £1,626 GBP |
| N+ | SI1 | 7,564 | £747 GBP |
| N+ | SI2 | 2,886 | £1,175 GBP |
| N+ | VS1 | 40,958 | £550 GBP |
| N+ | VS2 | 19,305 | £613 GBP |
| N+ | VVS1 | 4,141 | £666 GBP |
| N+ | VVS2 | 27,448 | £550 GBP |
| N+ | other | 7,629 | £1,298 GBP |