Lab Grown Oval 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 | $1,540 | $1,179 | $928 | $657 | $636 | $638 | $601 | $2,089 | $3,155 |
| F-G | $1,395 | $1,105 | $947 | $618 | $609 | $550 | $682 | $3,767 | $3,284 |
| H-I | $4,369 | $2,589 | $1,447 | $762 | $673 | $1,149 | $976 | $5,120 | $1,656 |
| J-K | - | $2,388 | $3,007 | $4,106 | $1,601 | $2,121 | $3,155 | $2,968 | $4,211 |
| L-M | - | $1,213 | $1,290 | $936 | $656 | $1,071 | $936 | $1,112 | $758 |
| N+ | $1,613 | $1,903 | $681 | $620 | $595 | $601 | $676 | $1,014 | $484 |
By Carat Weight
0.20-0.29
2,653 listings
Avg: £802 GBP/ct
0.30-0.49
43,506 listings
Avg: £832 GBP/ct
0.50-0.74
164,053 listings
Avg: £839 GBP/ct
0.75-0.99
116,604 listings
Avg: £1,014 GBP/ct
1.00-1.24
553,840 listings
Avg: £807 GBP/ct
1.25-1.49
164,240 listings
Avg: £779 GBP/ct
1.50-1.99
681,158 listings
Avg: £1,107 GBP/ct
2.00-2.49
387,700 listings
Avg: £1,174 GBP/ct
2.50-2.99
227,380 listings
Avg: £968 GBP/ct
3.00-3.99
375,659 listings
Avg: £1,337 GBP/ct
4.00-4.99
224,994 listings
Avg: £1,376 GBP/ct
5.00-9.99
210,175 listings
Avg: £2,083 GBP/ct
10.00+
31,643 listings
Avg: £1,747 GBP/ct
unknown
1,608 listings
Avg: £1,193 GBP/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 92,783 | £1,142 GBP |
| D-E | I | 100 | £2,340 GBP |
| D-E | IF | 141,965 | £874 GBP |
| D-E | SI1 | 12,109 | £446 GBP |
| D-E | SI2 | 1,038 | £1,549 GBP |
| D-E | VS1 | 688,368 | £471 GBP |
| D-E | VS2 | 174,734 | £474 GBP |
| D-E | VVS1 | 393,020 | £688 GBP |
| D-E | VVS2 | 881,628 | £487 GBP |
| D-E | other | 20 | £610 GBP |
| F-G | FL | 470 | £1,035 GBP |
| F-G | I | 104 | £2,435 GBP |
| F-G | IF | 4,721 | £820 GBP |
| F-G | SI1 | 6,984 | £506 GBP |
| F-G | SI2 | 736 | £2,794 GBP |
| F-G | VS1 | 241,613 | £451 GBP |
| F-G | VS2 | 54,848 | £408 GBP |
| F-G | VVS1 | 29,954 | £702 GBP |
| F-G | VVS2 | 276,071 | £458 GBP |
| F-G | other | 11 | £376 GBP |
| H-I | FL | 10 | £3,240 GBP |
| H-I | I | 175 | £1,228 GBP |
| H-I | IF | 320 | £1,920 GBP |
| H-I | SI1 | 5,746 | £724 GBP |
| H-I | SI2 | 2,221 | £3,798 GBP |
| H-I | VS1 | 19,007 | £499 GBP |
| H-I | VS2 | 9,500 | £852 GBP |
| H-I | VVS1 | 1,716 | £1,073 GBP |
| H-I | VVS2 | 10,904 | £565 GBP |
| J-K | I | 863 | £3,123 GBP |
| J-K | IF | 99 | £1,771 GBP |
| J-K | SI1 | 5,310 | £2,340 GBP |
| J-K | SI2 | 1,478 | £2,201 GBP |
| J-K | VS1 | 2,195 | £1,188 GBP |
| J-K | VS2 | 3,908 | £1,573 GBP |
| J-K | VVS1 | 158 | £2,230 GBP |
| J-K | VVS2 | 433 | £3,045 GBP |
| L-M | I | 10 | £562 GBP |
| L-M | IF | 30 | £900 GBP |
| L-M | SI1 | 79 | £694 GBP |
| L-M | SI2 | 140 | £825 GBP |
| L-M | VS1 | 146 | £486 GBP |
| L-M | VS2 | 80 | £794 GBP |
| L-M | VVS1 | 48 | £957 GBP |
| L-M | VVS2 | 103 | £694 GBP |
| N+ | FL | 92 | £1,196 GBP |
| N+ | I | 171 | £359 GBP |
| N+ | IF | 971 | £1,411 GBP |
| N+ | SI1 | 5,249 | £502 GBP |
| N+ | SI2 | 1,175 | £752 GBP |
| N+ | VS1 | 46,729 | £442 GBP |
| N+ | VS2 | 19,788 | £446 GBP |
| N+ | VVS1 | 3,267 | £505 GBP |
| N+ | VVS2 | 31,089 | £460 GBP |
| N+ | other | 10,726 | £1,280 GBP |