Natural Round Diamond Prices in United Kingdom
As of July 2026, there are 4,822,356 natural round diamonds available. Prices range from £108 GBP/ct to £179,173 GBP/ct, with an average of £6,728 GBP/ct.
Last updated: July 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $28K | $20K | $24K | $18K | $13K | $15K | $12K | $6,828 | $4,447 |
| F-G | $15K | $18K | $15K | $15K | $14K | $12K | $10K | $7,716 | $3,900 |
| H-I | $7,147 | $12K | $11K | $11K | $9,650 | $9,126 | $7,755 | $5,654 | $3,396 |
| J-K | $3,645 | $6,942 | $6,741 | $6,781 | $6,589 | $6,205 | $6,153 | $4,832 | $3,117 |
| L-M | $3,033 | $4,575 | $3,887 | $5,289 | $4,991 | $4,154 | $3,939 | $3,726 | $2,178 |
| N+ | - | $4,350 | $3,795 | $1,443 | $4,255 | $3,388 | $3,912 | $6,263 | $4,714 |
By Carat Weight
0.20-0.29
232,526 listings
Avg: £1,321 GBP/ct
0.30-0.49
1,359,525 listings
Avg: £1,224 GBP/ct
0.50-0.74
1,345,990 listings
Avg: £1,371 GBP/ct
0.75-0.99
385,273 listings
Avg: £1,886 GBP/ct
1.00-1.24
666,517 listings
Avg: £2,684 GBP/ct
1.25-1.49
92,062 listings
Avg: £3,384 GBP/ct
1.50-1.99
338,405 listings
Avg: £4,131 GBP/ct
2.00-2.49
165,837 listings
Avg: £6,291 GBP/ct
2.50-2.99
51,179 listings
Avg: £7,693 GBP/ct
3.00-3.99
64,660 listings
Avg: £10,142 GBP/ct
4.00-4.99
18,538 listings
Avg: £12,842 GBP/ct
5.00-9.99
17,597 listings
Avg: £16,506 GBP/ct
10.00+
1,070 listings
Avg: £25,089 GBP/ct
unknown
83,177 listings
Avg: £5,023 GBP/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 17,217 | £21,934 GBP |
| D-E | I | 21,129 | £3,502 GBP |
| D-E | IF | 119,068 | £15,652 GBP |
| D-E | SI1 | 173,119 | £9,118 GBP |
| D-E | SI2 | 116,110 | £5,377 GBP |
| D-E | VS1 | 199,038 | £10,088 GBP |
| D-E | VS2 | 184,676 | £12,026 GBP |
| D-E | VVS1 | 249,670 | £18,779 GBP |
| D-E | VVS2 | 214,309 | £14,425 GBP |
| D-E | other | 26 | £1,483 GBP |
| F-G | FL | 1,362 | £11,591 GBP |
| F-G | I | 32,818 | £3,071 GBP |
| F-G | IF | 117,723 | £14,020 GBP |
| F-G | SI1 | 206,256 | £8,021 GBP |
| F-G | SI2 | 159,545 | £6,076 GBP |
| F-G | VS1 | 239,777 | £10,925 GBP |
| F-G | VS2 | 238,663 | £9,580 GBP |
| F-G | VVS1 | 242,180 | £12,078 GBP |
| F-G | VVS2 | 207,706 | £11,751 GBP |
| F-G | other | 46 | £2,871 GBP |
| H-I | FL | 569 | £5,628 GBP |
| H-I | I | 27,609 | £2,674 GBP |
| H-I | IF | 73,816 | £9,355 GBP |
| H-I | SI1 | 192,707 | £6,106 GBP |
| H-I | SI2 | 143,449 | £4,452 GBP |
| H-I | VS1 | 222,670 | £7,598 GBP |
| H-I | VS2 | 227,764 | £7,186 GBP |
| H-I | VVS1 | 182,799 | £8,949 GBP |
| H-I | VVS2 | 189,065 | £8,484 GBP |
| H-I | other | 23 | £2,322 GBP |
| J-K | FL | 143 | £2,870 GBP |
| J-K | I | 15,900 | £2,454 GBP |
| J-K | IF | 35,080 | £5,466 GBP |
| J-K | SI1 | 98,771 | £4,845 GBP |
| J-K | SI2 | 75,382 | £3,805 GBP |
| J-K | VS1 | 109,040 | £5,188 GBP |
| J-K | VS2 | 93,503 | £4,886 GBP |
| J-K | VVS1 | 103,066 | £5,308 GBP |
| J-K | VVS2 | 99,387 | £5,340 GBP |
| L-M | FL | 33 | £2,388 GBP |
| L-M | I | 4,201 | £1,715 GBP |
| L-M | IF | 7,362 | £3,602 GBP |
| L-M | SI1 | 25,871 | £3,102 GBP |
| L-M | SI2 | 17,787 | £2,934 GBP |
| L-M | VS1 | 25,200 | £3,930 GBP |
| L-M | VS2 | 23,944 | £3,271 GBP |
| L-M | VVS1 | 23,259 | £3,061 GBP |
| L-M | VVS2 | 23,444 | £4,165 GBP |
| N+ | I | 5,179 | £3,712 GBP |
| N+ | IF | 537 | £3,425 GBP |
| N+ | SI1 | 5,666 | £3,080 GBP |
| N+ | SI2 | 4,759 | £4,931 GBP |
| N+ | VS1 | 5,693 | £3,350 GBP |
| N+ | VS2 | 5,353 | £2,668 GBP |
| N+ | VVS1 | 2,611 | £2,988 GBP |
| N+ | VVS2 | 9,609 | £1,136 GBP |
| N+ | other | 667 | £4,146 GBP |