Natural Radiant 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 | $13K | $10K | $6,873 | $8,288 | $11K | $11K | $8,854 | $6,903 | $5,804 |
| F-G | $4,123 | $8,490 | $10K | $9,973 | $13K | $9,399 | $7,728 | $6,785 | $7,876 |
| H-I | $4,504 | $7,526 | $7,578 | $7,828 | $7,514 | $5,980 | $7,579 | $6,016 | $6,171 |
| J-K | $1,826 | $3,630 | $5,233 | $4,942 | $6,855 | $6,489 | $5,313 | $4,199 | $5,170 |
| L-M | - | $2,041 | $1,968 | $2,597 | $3,165 | $2,960 | $2,709 | $3,413 | $1,760 |
| N+ | $4,664 | $7,910 | $7,300 | $6,638 | $8,021 | $12K | $8,254 | $7,929 | $6,838 |
By Carat Weight
0.20-0.29
1,060 listings
Avg: £3,505 GBP/ct
0.30-0.49
27,347 listings
Avg: £1,678 GBP/ct
0.50-0.74
89,343 listings
Avg: £1,481 GBP/ct
0.75-0.99
31,155 listings
Avg: £1,780 GBP/ct
1.00-1.24
86,392 listings
Avg: £2,157 GBP/ct
1.25-1.49
9,447 listings
Avg: £3,152 GBP/ct
1.50-1.99
45,042 listings
Avg: £3,689 GBP/ct
2.00-2.49
26,462 listings
Avg: £5,101 GBP/ct
2.50-2.99
5,195 listings
Avg: £6,297 GBP/ct
3.00-3.99
8,928 listings
Avg: £8,339 GBP/ct
4.00-4.99
1,947 listings
Avg: £10,196 GBP/ct
5.00-9.99
2,294 listings
Avg: £13,063 GBP/ct
10.00+
392 listings
Avg: £16,047 GBP/ct
unknown
104 listings
Avg: £24,899 GBP/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 325 | £9,990 GBP |
| D-E | I | 1,588 | £4,304 GBP |
| D-E | IF | 3,826 | £7,465 GBP |
| D-E | SI1 | 11,900 | £6,567 GBP |
| D-E | SI2 | 6,753 | £5,120 GBP |
| D-E | VS1 | 14,636 | £7,837 GBP |
| D-E | VS2 | 14,333 | £8,001 GBP |
| D-E | VVS1 | 11,510 | £5,097 GBP |
| D-E | VVS2 | 10,715 | £6,147 GBP |
| F-G | FL | 244 | £3,058 GBP |
| F-G | I | 2,065 | £5,841 GBP |
| F-G | IF | 4,101 | £6,297 GBP |
| F-G | SI1 | 13,625 | £5,732 GBP |
| F-G | SI2 | 8,451 | £5,032 GBP |
| F-G | VS1 | 17,147 | £9,407 GBP |
| F-G | VS2 | 17,723 | £6,971 GBP |
| F-G | VVS1 | 12,543 | £7,650 GBP |
| F-G | VVS2 | 12,024 | £7,397 GBP |
| H-I | FL | 192 | £3,341 GBP |
| H-I | I | 2,297 | £4,577 GBP |
| H-I | IF | 2,879 | £5,582 GBP |
| H-I | SI1 | 13,629 | £5,621 GBP |
| H-I | SI2 | 8,944 | £4,462 GBP |
| H-I | VS1 | 15,299 | £5,573 GBP |
| H-I | VS2 | 15,768 | £4,435 GBP |
| H-I | VVS1 | 12,276 | £5,621 GBP |
| H-I | VVS2 | 12,059 | £5,806 GBP |
| J-K | FL | 67 | £1,354 GBP |
| J-K | I | 1,091 | £3,835 GBP |
| J-K | IF | 1,084 | £2,692 GBP |
| J-K | SI1 | 7,191 | £3,940 GBP |
| J-K | SI2 | 4,979 | £3,114 GBP |
| J-K | VS1 | 6,366 | £5,084 GBP |
| J-K | VS2 | 7,370 | £4,812 GBP |
| J-K | VVS1 | 4,156 | £3,881 GBP |
| J-K | VVS2 | 4,481 | £3,665 GBP |
| L-M | I | 39 | £1,305 GBP |
| L-M | IF | 113 | £1,514 GBP |
| L-M | SI1 | 999 | £2,009 GBP |
| L-M | SI2 | 850 | £2,531 GBP |
| L-M | VS1 | 921 | £2,347 GBP |
| L-M | VS2 | 949 | £2,195 GBP |
| L-M | VVS1 | 444 | £1,459 GBP |
| L-M | VVS2 | 513 | £1,926 GBP |
| N+ | FL | 95 | £3,459 GBP |
| N+ | I | 1,389 | £5,071 GBP |
| N+ | IF | 2,362 | £5,867 GBP |
| N+ | SI1 | 4,939 | £6,122 GBP |
| N+ | SI2 | 3,013 | £5,881 GBP |
| N+ | VS1 | 11,743 | £5,949 GBP |
| N+ | VS2 | 10,495 | £8,787 GBP |
| N+ | VVS1 | 5,153 | £5,414 GBP |
| N+ | VVS2 | 7,189 | £4,923 GBP |
| N+ | other | 265 | £8,506 GBP |