Natural Heart 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 | $16K | $8,947 | $10K | $9,643 | $12K | $6,937 | $4,439 | $5,288 |
| F-G | $10K | $9,350 | $9,244 | $8,781 | $7,920 | $11K | $5,698 | $3,580 | $4,866 |
| H-I | $2,592 | $7,477 | $6,639 | $6,245 | $8,551 | $8,753 | $4,519 | $4,309 | $7,958 |
| J-K | $2,106 | $5,334 | $5,175 | $4,844 | $4,606 | $4,812 | $4,348 | $4,871 | $5,839 |
| L-M | - | $1,796 | $2,437 | $1,997 | $3,418 | $2,579 | $2,160 | $2,883 | $1,304 |
| N+ | - | $5,407 | $14K | $2,946 | $5,038 | $7,576 | $9,169 | $7,639 | $3,527 |
By Carat Weight
0.20-0.29
4,622 listings
Avg: £5,981 GBP/ct
0.30-0.49
27,069 listings
Avg: £1,729 GBP/ct
0.50-0.74
124,131 listings
Avg: £1,372 GBP/ct
0.75-0.99
54,104 listings
Avg: £1,486 GBP/ct
1.00-1.24
91,351 listings
Avg: £2,073 GBP/ct
1.25-1.49
7,756 listings
Avg: £2,588 GBP/ct
1.50-1.99
44,722 listings
Avg: £2,893 GBP/ct
2.00-2.49
18,208 listings
Avg: £4,274 GBP/ct
2.50-2.99
3,007 listings
Avg: £5,991 GBP/ct
3.00-3.99
3,056 listings
Avg: £6,657 GBP/ct
4.00-4.99
1,036 listings
Avg: £11,878 GBP/ct
5.00-9.99
1,593 listings
Avg: £15,160 GBP/ct
10.00+
156 listings
Avg: £24,959 GBP/ct
unknown
443 listings
Avg: £5,753 GBP/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 487 | £18,279 GBP |
| D-E | I | 1,473 | £3,922 GBP |
| D-E | IF | 3,896 | £11,690 GBP |
| D-E | SI1 | 18,002 | £5,145 GBP |
| D-E | SI2 | 8,911 | £3,292 GBP |
| D-E | VS1 | 21,223 | £7,151 GBP |
| D-E | VS2 | 21,044 | £8,979 GBP |
| D-E | VVS1 | 10,736 | £6,635 GBP |
| D-E | VVS2 | 15,044 | £7,486 GBP |
| F-G | FL | 218 | £7,667 GBP |
| F-G | I | 2,142 | £3,609 GBP |
| F-G | IF | 5,228 | £6,935 GBP |
| F-G | SI1 | 20,070 | £4,226 GBP |
| F-G | SI2 | 14,587 | £2,655 GBP |
| F-G | VS1 | 25,261 | £5,874 GBP |
| F-G | VS2 | 24,802 | £7,829 GBP |
| F-G | VVS1 | 11,816 | £6,856 GBP |
| F-G | VVS2 | 16,875 | £6,513 GBP |
| H-I | FL | 127 | £1,923 GBP |
| H-I | I | 2,093 | £5,902 GBP |
| H-I | IF | 5,007 | £5,546 GBP |
| H-I | SI1 | 17,549 | £3,351 GBP |
| H-I | SI2 | 14,760 | £3,196 GBP |
| H-I | VS1 | 20,486 | £6,342 GBP |
| H-I | VS2 | 19,271 | £6,492 GBP |
| H-I | VVS1 | 11,738 | £4,924 GBP |
| H-I | VVS2 | 13,939 | £4,631 GBP |
| J-K | FL | 48 | £1,562 GBP |
| J-K | I | 745 | £4,330 GBP |
| J-K | IF | 1,819 | £3,956 GBP |
| J-K | SI1 | 6,030 | £3,225 GBP |
| J-K | SI2 | 5,267 | £3,613 GBP |
| J-K | VS1 | 5,158 | £3,416 GBP |
| J-K | VS2 | 6,027 | £3,569 GBP |
| J-K | VVS1 | 4,993 | £3,838 GBP |
| J-K | VVS2 | 4,708 | £3,593 GBP |
| L-M | I | 56 | £967 GBP |
| L-M | IF | 97 | £1,332 GBP |
| L-M | SI1 | 525 | £1,602 GBP |
| L-M | SI2 | 270 | £2,138 GBP |
| L-M | VS1 | 609 | £2,535 GBP |
| L-M | VS2 | 646 | £1,912 GBP |
| L-M | VVS1 | 408 | £1,807 GBP |
| L-M | VVS2 | 470 | £1,481 GBP |
| N+ | I | 1,245 | £2,616 GBP |
| N+ | IF | 329 | £4,010 GBP |
| N+ | SI1 | 3,044 | £6,800 GBP |
| N+ | SI2 | 2,224 | £5,666 GBP |
| N+ | VS1 | 2,895 | £3,736 GBP |
| N+ | VS2 | 4,093 | £5,619 GBP |
| N+ | VVS1 | 706 | £10,552 GBP |
| N+ | VVS2 | 1,854 | £2,185 GBP |
| N+ | other | 203 | £9,783 GBP |