Natural Cushion 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 | $15K | $11K | $9,873 | $14K | $12K | $10K | $5,746 | $5,300 |
| F-G | $4,064 | $9,302 | $9,438 | $12K | $12K | $12K | $6,682 | $5,538 | $5,948 |
| H-I | $4,097 | $8,194 | $6,643 | $6,698 | $6,470 | $7,822 | $5,660 | $6,277 | $5,484 |
| J-K | $2,735 | $5,582 | $4,707 | $4,982 | $4,751 | $6,547 | $5,644 | $4,988 | $5,125 |
| L-M | - | $2,449 | $2,152 | $2,789 | $2,996 | $3,083 | $3,836 | $3,528 | $1,750 |
| N+ | $7,287 | $9,104 | $7,052 | $8,359 | $10K | $8,916 | $8,275 | $8,156 | $7,243 |
By Carat Weight
0.20-0.29
5,499 listings
Avg: £4,186 GBP/ct
0.30-0.49
38,603 listings
Avg: £1,831 GBP/ct
0.50-0.74
103,031 listings
Avg: £1,396 GBP/ct
0.75-0.99
63,601 listings
Avg: £1,599 GBP/ct
1.00-1.24
148,144 listings
Avg: £2,113 GBP/ct
1.25-1.49
16,072 listings
Avg: £2,723 GBP/ct
1.50-1.99
108,455 listings
Avg: £3,069 GBP/ct
2.00-2.49
62,845 listings
Avg: £4,629 GBP/ct
2.50-2.99
15,446 listings
Avg: £6,621 GBP/ct
3.00-3.99
21,022 listings
Avg: £7,909 GBP/ct
4.00-4.99
4,769 listings
Avg: £11,049 GBP/ct
5.00-9.99
4,796 listings
Avg: £13,366 GBP/ct
10.00+
576 listings
Avg: £25,316 GBP/ct
unknown
940 listings
Avg: £7,461 GBP/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 329 | £18,762 GBP |
| D-E | I | 2,056 | £3,931 GBP |
| D-E | IF | 3,826 | £11,356 GBP |
| D-E | SI1 | 22,298 | £7,486 GBP |
| D-E | SI2 | 10,550 | £4,262 GBP |
| D-E | VS1 | 30,965 | £10,030 GBP |
| D-E | VS2 | 27,280 | £9,167 GBP |
| D-E | VVS1 | 17,702 | £8,486 GBP |
| D-E | VVS2 | 21,267 | £7,323 GBP |
| F-G | FL | 112 | £3,014 GBP |
| F-G | I | 2,557 | £4,411 GBP |
| F-G | IF | 4,799 | £6,899 GBP |
| F-G | SI1 | 25,612 | £4,956 GBP |
| F-G | SI2 | 14,401 | £4,107 GBP |
| F-G | VS1 | 39,208 | £8,681 GBP |
| F-G | VS2 | 38,677 | £8,573 GBP |
| F-G | VVS1 | 21,067 | £7,000 GBP |
| F-G | VVS2 | 24,203 | £8,797 GBP |
| H-I | FL | 128 | £3,038 GBP |
| H-I | I | 2,805 | £4,067 GBP |
| H-I | IF | 3,921 | £6,077 GBP |
| H-I | SI1 | 26,927 | £4,198 GBP |
| H-I | SI2 | 15,914 | £4,656 GBP |
| H-I | VS1 | 35,241 | £4,798 GBP |
| H-I | VS2 | 33,710 | £5,801 GBP |
| H-I | VVS1 | 17,963 | £4,927 GBP |
| H-I | VVS2 | 23,118 | £4,967 GBP |
| J-K | FL | 35 | £2,029 GBP |
| J-K | I | 1,456 | £3,801 GBP |
| J-K | IF | 1,401 | £4,140 GBP |
| J-K | SI1 | 14,070 | £4,186 GBP |
| J-K | SI2 | 8,341 | £3,699 GBP |
| J-K | VS1 | 14,380 | £3,523 GBP |
| J-K | VS2 | 14,338 | £4,855 GBP |
| J-K | VVS1 | 7,188 | £3,491 GBP |
| J-K | VVS2 | 8,952 | £3,695 GBP |
| L-M | I | 123 | £1,298 GBP |
| L-M | IF | 188 | £1,816 GBP |
| L-M | SI1 | 1,623 | £2,845 GBP |
| L-M | SI2 | 1,036 | £2,617 GBP |
| L-M | VS1 | 1,429 | £2,222 GBP |
| L-M | VS2 | 1,681 | £2,286 GBP |
| L-M | VVS1 | 706 | £1,596 GBP |
| L-M | VVS2 | 1,109 | £2,068 GBP |
| N+ | FL | 169 | £5,405 GBP |
| N+ | I | 2,188 | £5,372 GBP |
| N+ | IF | 1,637 | £6,752 GBP |
| N+ | SI1 | 8,038 | £6,137 GBP |
| N+ | SI2 | 5,619 | £6,049 GBP |
| N+ | VS1 | 10,070 | £7,530 GBP |
| N+ | VS2 | 10,375 | £6,613 GBP |
| N+ | VVS1 | 4,017 | £5,230 GBP |
| N+ | VVS2 | 6,068 | £6,199 GBP |
| N+ | other | 926 | £8,693 GBP |