Lab Grown Round Diamond Prices in United Kingdom
As of June 2026, there are 6,288,643 lab grown round diamonds available. Prices range from £89 GBP/ct to £25,654 GBP/ct, with an average of £1,826 GBP/ct.
Last updated: June 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $3,388 | $1,605 | $1,039 | $732 | $691 | $655 | $675 | $3,795 | $3,677 |
| F-G | $2,512 | $1,843 | $1,218 | $763 | $732 | $852 | $845 | $3,033 | $3,461 |
| H-I | $1,377 | $4,997 | $2,287 | $949 | $1,075 | $1,516 | $3,036 | $4,832 | $3,198 |
| J-K | $1,341 | $5,523 | $5,916 | $2,981 | $2,002 | $3,299 | $3,198 | $4,991 | $4,265 |
| L-M | $6,637 | $4,181 | $3,508 | $4,090 | $3,262 | $3,319 | $3,010 | $2,931 | $1,661 |
| N+ | - | $2,023 | $1,006 | $787 | $767 | $819 | $933 | $1,485 | $825 |
By Carat Weight
0.20-0.29
58,053 listings
Avg: £892 GBP/ct
0.30-0.49
372,886 listings
Avg: £890 GBP/ct
0.50-0.74
567,629 listings
Avg: £968 GBP/ct
0.75-0.99
212,238 listings
Avg: £1,183 GBP/ct
1.00-1.24
1,327,541 listings
Avg: £1,184 GBP/ct
1.25-1.49
340,423 listings
Avg: £1,197 GBP/ct
1.50-1.99
1,201,093 listings
Avg: £1,538 GBP/ct
2.00-2.49
900,222 listings
Avg: £1,945 GBP/ct
2.50-2.99
368,079 listings
Avg: £2,483 GBP/ct
3.00-3.99
528,995 listings
Avg: £2,797 GBP/ct
4.00-4.99
196,870 listings
Avg: £4,071 GBP/ct
5.00-9.99
190,892 listings
Avg: £3,693 GBP/ct
10.00+
13,705 listings
Avg: £1,470 GBP/ct
unknown
10,017 listings
Avg: £1,326 GBP/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 40,032 | £2,668 GBP |
| D-E | I | 4,694 | £2,895 GBP |
| D-E | IF | 158,904 | £1,264 GBP |
| D-E | SI1 | 45,217 | £532 GBP |
| D-E | SI2 | 11,049 | £2,989 GBP |
| D-E | VS1 | 1,517,900 | £544 GBP |
| D-E | VS2 | 373,192 | £516 GBP |
| D-E | VVS1 | 620,484 | £818 GBP |
| D-E | VVS2 | 2,110,484 | £576 GBP |
| F-G | FL | 445 | £1,978 GBP |
| F-G | I | 7,596 | £2,725 GBP |
| F-G | IF | 13,286 | £1,451 GBP |
| F-G | SI1 | 22,485 | £665 GBP |
| F-G | SI2 | 10,554 | £2,389 GBP |
| F-G | VS1 | 409,217 | £576 GBP |
| F-G | VS2 | 118,596 | £671 GBP |
| F-G | VVS1 | 58,997 | £959 GBP |
| F-G | VVS2 | 457,188 | £601 GBP |
| H-I | FL | 20 | £1,084 GBP |
| H-I | I | 6,912 | £2,518 GBP |
| H-I | IF | 5,505 | £3,934 GBP |
| H-I | SI1 | 13,544 | £2,390 GBP |
| H-I | SI2 | 10,142 | £3,805 GBP |
| H-I | VS1 | 38,778 | £847 GBP |
| H-I | VS2 | 23,905 | £1,193 GBP |
| H-I | VVS1 | 11,308 | £1,801 GBP |
| H-I | VVS2 | 26,759 | £747 GBP |
| J-K | FL | 12 | £1,056 GBP |
| J-K | I | 5,207 | £3,358 GBP |
| J-K | IF | 3,416 | £4,349 GBP |
| J-K | SI1 | 12,480 | £2,518 GBP |
| J-K | SI2 | 8,536 | £3,930 GBP |
| J-K | VS1 | 19,142 | £1,576 GBP |
| J-K | VS2 | 14,034 | £2,598 GBP |
| J-K | VVS1 | 5,901 | £4,658 GBP |
| J-K | VVS2 | 8,787 | £2,347 GBP |
| L-M | FL | 10 | £5,226 GBP |
| L-M | I | 1,613 | £1,308 GBP |
| L-M | IF | 1,029 | £3,292 GBP |
| L-M | SI1 | 3,440 | £2,370 GBP |
| L-M | SI2 | 3,138 | £2,308 GBP |
| L-M | VS1 | 2,746 | £2,568 GBP |
| L-M | VS2 | 2,943 | £2,613 GBP |
| L-M | VVS1 | 2,715 | £2,762 GBP |
| L-M | VVS2 | 2,674 | £3,221 GBP |
| N+ | I | 2,151 | £650 GBP |
| N+ | IF | 537 | £1,593 GBP |
| N+ | SI1 | 5,712 | £735 GBP |
| N+ | SI2 | 2,416 | £1,169 GBP |
| N+ | VS1 | 26,649 | £604 GBP |
| N+ | VS2 | 13,809 | £645 GBP |
| N+ | VVS1 | 2,750 | £792 GBP |
| N+ | VVS2 | 17,379 | £619 GBP |
| N+ | other | 2,224 | £1,294 GBP |