Lab Grown Round Diamond Prices in United Kingdom
Last updated: November 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $1,144 | $938 | $650 | $483 | $462 | $469 | $454 | $507 | $565 |
| F-G | $1,145 | $731 | $551 | $448 | $441 | $487 | $513 | $551 | $707 |
| H-I | - | $863 | $617 | $507 | $602 | $668 | $994 | $1,863 | $1,581 |
| J-K | - | $3,310 | $734 | $943 | $897 | $1,034 | $2,204 | $1,248 | $733 |
| L-M | - | $1,152 | $885 | $828 | $881 | $1,229 | $825 | $887 | $716 |
| N+ | $931 | $1,907 | $955 | $511 | $530 | $670 | $867 | $858 | $479 |
By Carat Weight
0.20-0.29
87,870 listings
Avg: £485 GBP/ct
0.30-0.49
523,603 listings
Avg: £689 GBP/ct
0.50-0.74
583,624 listings
Avg: £685 GBP/ct
0.75-0.99
225,491 listings
Avg: £509 GBP/ct
1.00-1.24
1,814,444 listings
Avg: £493 GBP/ct
1.25-1.49
385,334 listings
Avg: £430 GBP/ct
1.50-1.99
1,635,271 listings
Avg: £493 GBP/ct
2.00-2.49
1,334,370 listings
Avg: £780 GBP/ct
2.50-2.99
743,728 listings
Avg: £670 GBP/ct
3.00-3.99
871,313 listings
Avg: £715 GBP/ct
4.00-4.99
452,686 listings
Avg: £738 GBP/ct
5.00-9.99
502,896 listings
Avg: £814 GBP/ct
10.00+
44,467 listings
Avg: £424 GBP/ct
unknown
9,439 listings
Avg: £604 GBP/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 201,244 | £853 GBP |
| D-E | I | 592 | £421 GBP |
| D-E | IF | 281,070 | £700 GBP |
| D-E | SI1 | 66,666 | £339 GBP |
| D-E | SI2 | 8,589 | £378 GBP |
| D-E | VS1 | 1,923,880 | £345 GBP |
| D-E | VS2 | 478,468 | £350 GBP |
| D-E | VVS1 | 1,068,214 | £485 GBP |
| D-E | VVS2 | 2,968,211 | £360 GBP |
| F-G | FL | 1,905 | £853 GBP |
| F-G | I | 441 | £527 GBP |
| F-G | IF | 16,750 | £545 GBP |
| F-G | SI1 | 24,142 | £382 GBP |
| F-G | SI2 | 3,003 | £411 GBP |
| F-G | VS1 | 573,785 | £329 GBP |
| F-G | VS2 | 162,532 | £363 GBP |
| F-G | VVS1 | 138,250 | £411 GBP |
| F-G | VVS2 | 818,439 | £334 GBP |
| H-I | I | 379 | £1,179 GBP |
| H-I | IF | 616 | £644 GBP |
| H-I | SI1 | 13,163 | £741 GBP |
| H-I | SI2 | 4,490 | £1,390 GBP |
| H-I | VS1 | 52,195 | £449 GBP |
| H-I | VS2 | 21,022 | £498 GBP |
| H-I | VVS1 | 7,649 | £460 GBP |
| H-I | VVS2 | 40,143 | £378 GBP |
| J-K | I | 253 | £547 GBP |
| J-K | IF | 152 | £2,468 GBP |
| J-K | SI1 | 10,227 | £1,644 GBP |
| J-K | SI2 | 4,135 | £930 GBP |
| J-K | VS1 | 27,664 | £669 GBP |
| J-K | VS2 | 16,270 | £771 GBP |
| J-K | VVS1 | 389 | £548 GBP |
| J-K | VVS2 | 5,949 | £703 GBP |
| L-M | I | 12 | £534 GBP |
| L-M | IF | 10 | £859 GBP |
| L-M | SI1 | 267 | £615 GBP |
| L-M | SI2 | 70 | £661 GBP |
| L-M | VS1 | 443 | £657 GBP |
| L-M | VS2 | 234 | £917 GBP |
| L-M | VVS1 | 52 | £660 GBP |
| L-M | VVS2 | 339 | £617 GBP |
| N+ | FL | 164 | £694 GBP |
| N+ | I | 1,744 | £358 GBP |
| N+ | IF | 2,257 | £1,422 GBP |
| N+ | SI1 | 20,573 | £647 GBP |
| N+ | SI2 | 7,614 | £640 GBP |
| N+ | VS1 | 102,280 | £396 GBP |
| N+ | VS2 | 48,083 | £500 GBP |
| N+ | VVS1 | 11,634 | £712 GBP |
| N+ | VVS2 | 66,091 | £381 GBP |
| N+ | other | 11,792 | £1,137 GBP |