Natural 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 | $25K | $19K | $24K | $19K | $13K | $15K | $11K | $6,754 | $5,384 |
| F-G | $15K | $16K | $15K | $15K | $14K | $12K | $9,838 | $6,868 | $4,058 |
| H-I | $6,885 | $9,865 | $11K | $9,913 | $9,827 | $8,653 | $6,938 | $5,792 | $3,833 |
| J-K | $5,223 | $6,646 | $6,564 | $6,446 | $6,591 | $6,014 | $5,874 | $4,424 | $3,461 |
| L-M | $3,032 | $4,329 | $3,923 | $5,012 | $4,578 | $4,127 | $3,523 | $2,991 | $2,233 |
| N+ | - | $4,156 | $3,142 | $1,296 | $3,569 | $3,540 | $3,805 | $5,557 | $4,275 |
By Carat Weight
0.20-0.29
260,297 listings
Avg: £1,439 GBP/ct
0.30-0.49
2,102,647 listings
Avg: £1,128 GBP/ct
0.50-0.74
1,888,072 listings
Avg: £1,221 GBP/ct
0.75-0.99
497,314 listings
Avg: £1,754 GBP/ct
1.00-1.24
811,027 listings
Avg: £2,475 GBP/ct
1.25-1.49
116,037 listings
Avg: £3,197 GBP/ct
1.50-1.99
427,298 listings
Avg: £3,799 GBP/ct
2.00-2.49
205,116 listings
Avg: £5,769 GBP/ct
2.50-2.99
64,931 listings
Avg: £7,173 GBP/ct
3.00-3.99
77,343 listings
Avg: £9,287 GBP/ct
4.00-4.99
22,616 listings
Avg: £11,777 GBP/ct
5.00-9.99
19,646 listings
Avg: £14,814 GBP/ct
10.00+
1,064 listings
Avg: £21,833 GBP/ct
unknown
91,000 listings
Avg: £4,288 GBP/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 23,401 | £18,538 GBP |
| D-E | I | 27,985 | £3,993 GBP |
| D-E | IF | 162,266 | £14,439 GBP |
| D-E | SI1 | 253,261 | £8,410 GBP |
| D-E | SI2 | 169,842 | £5,009 GBP |
| D-E | VS1 | 300,360 | £9,383 GBP |
| D-E | VS2 | 274,587 | £10,944 GBP |
| D-E | VVS1 | 397,842 | £17,681 GBP |
| D-E | VVS2 | 289,438 | £14,287 GBP |
| D-E | other | 26 | £1,659 GBP |
| F-G | FL | 3,315 | £11,235 GBP |
| F-G | I | 42,247 | £3,010 GBP |
| F-G | IF | 138,963 | £11,916 GBP |
| F-G | SI1 | 290,226 | £7,296 GBP |
| F-G | SI2 | 221,174 | £5,094 GBP |
| F-G | VS1 | 336,444 | £10,229 GBP |
| F-G | VS2 | 335,096 | £9,113 GBP |
| F-G | VVS1 | 328,230 | £10,944 GBP |
| F-G | VVS2 | 286,404 | £10,914 GBP |
| F-G | other | 44 | £3,008 GBP |
| H-I | FL | 1,290 | £5,106 GBP |
| H-I | I | 34,423 | £2,843 GBP |
| H-I | IF | 92,679 | £7,317 GBP |
| H-I | SI1 | 246,668 | £5,146 GBP |
| H-I | SI2 | 183,808 | £4,296 GBP |
| H-I | VS1 | 297,923 | £7,288 GBP |
| H-I | VS2 | 300,602 | £6,417 GBP |
| H-I | VVS1 | 255,771 | £8,248 GBP |
| H-I | VVS2 | 251,999 | £7,352 GBP |
| H-I | other | 22 | £2,222 GBP |
| J-K | FL | 633 | £3,874 GBP |
| J-K | I | 20,454 | £2,567 GBP |
| J-K | IF | 45,675 | £4,929 GBP |
| J-K | SI1 | 122,634 | £4,357 GBP |
| J-K | SI2 | 96,117 | £3,281 GBP |
| J-K | VS1 | 139,424 | £4,889 GBP |
| J-K | VS2 | 118,548 | £4,460 GBP |
| J-K | VVS1 | 135,903 | £4,868 GBP |
| J-K | VVS2 | 125,700 | £4,781 GBP |
| L-M | FL | 57 | £2,249 GBP |
| L-M | I | 5,480 | £1,656 GBP |
| L-M | IF | 8,671 | £3,211 GBP |
| L-M | SI1 | 31,696 | £2,613 GBP |
| L-M | SI2 | 23,811 | £2,219 GBP |
| L-M | VS1 | 28,034 | £3,396 GBP |
| L-M | VS2 | 27,038 | £3,061 GBP |
| L-M | VVS1 | 27,714 | £2,909 GBP |
| L-M | VVS2 | 26,530 | £3,717 GBP |
| N+ | I | 6,036 | £3,171 GBP |
| N+ | IF | 621 | £3,082 GBP |
| N+ | SI1 | 6,408 | £2,822 GBP |
| N+ | SI2 | 5,937 | £4,121 GBP |
| N+ | VS1 | 9,386 | £2,647 GBP |
| N+ | VS2 | 6,229 | £2,626 GBP |
| N+ | VVS1 | 3,206 | £2,330 GBP |
| N+ | VVS2 | 15,193 | £961 GBP |
| N+ | other | 937 | £4,215 GBP |