Natural Marquise Diamond Prices in United Kingdom
Last updated: November 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $9,080 | $9,999 | $11K | $11K | $10K | $9,831 | $7,932 | $5,955 | $5,166 |
| F-G | $2,299 | $9,537 | $10K | $9,344 | $11K | $9,837 | $8,459 | $5,782 | $4,485 |
| H-I | $2,048 | $6,637 | $6,105 | $5,859 | $6,689 | $6,957 | $5,681 | $4,682 | $3,948 |
| J-K | - | $3,620 | $4,782 | $3,794 | $5,107 | $3,927 | $4,623 | $3,826 | $3,630 |
| L-M | - | $1,958 | $2,453 | $2,491 | $2,573 | $2,711 | $2,710 | $2,580 | $1,599 |
| N+ | - | $35K | $4,098 | $1,766 | $8,127 | $3,508 | $18K | $11K | $7,549 |
By Carat Weight
0.20-0.29
10,834 listings
Avg: £3,299 GBP/ct
0.30-0.49
155,416 listings
Avg: £1,526 GBP/ct
0.50-0.74
169,111 listings
Avg: £1,635 GBP/ct
0.75-0.99
29,117 listings
Avg: £2,114 GBP/ct
1.00-1.24
106,408 listings
Avg: £2,826 GBP/ct
1.25-1.49
6,035 listings
Avg: £3,938 GBP/ct
1.50-1.99
38,179 listings
Avg: £4,948 GBP/ct
2.00-2.49
24,420 listings
Avg: £6,370 GBP/ct
2.50-2.99
4,683 listings
Avg: £8,402 GBP/ct
3.00-3.99
7,530 listings
Avg: £11,852 GBP/ct
4.00-4.99
945 listings
Avg: £13,129 GBP/ct
5.00-9.99
194 listings
Avg: £7,886 GBP/ct
10.00+
26 listings
Avg: £1,181 GBP/ct
unknown
2,417 listings
Avg: £12,355 GBP/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 1,670 | £6,771 GBP |
| D-E | I | 3,412 | £3,852 GBP |
| D-E | IF | 12,983 | £7,456 GBP |
| D-E | SI1 | 39,384 | £5,914 GBP |
| D-E | SI2 | 30,715 | £4,441 GBP |
| D-E | VS1 | 36,501 | £7,750 GBP |
| D-E | VS2 | 39,988 | £7,330 GBP |
| D-E | VVS1 | 29,273 | £7,959 GBP |
| D-E | VVS2 | 26,889 | £8,236 GBP |
| F-G | FL | 26 | £1,714 GBP |
| F-G | I | 3,455 | £3,345 GBP |
| F-G | IF | 6,030 | £7,112 GBP |
| F-G | SI1 | 28,695 | £6,308 GBP |
| F-G | SI2 | 31,709 | £4,311 GBP |
| F-G | VS1 | 24,764 | £8,126 GBP |
| F-G | VS2 | 26,952 | £7,335 GBP |
| F-G | VVS1 | 15,417 | £7,551 GBP |
| F-G | VVS2 | 17,162 | £6,968 GBP |
| H-I | FL | 15 | £1,527 GBP |
| H-I | I | 3,439 | £2,944 GBP |
| H-I | IF | 5,231 | £4,949 GBP |
| H-I | SI1 | 20,252 | £4,236 GBP |
| H-I | SI2 | 25,398 | £3,491 GBP |
| H-I | VS1 | 17,125 | £4,988 GBP |
| H-I | VS2 | 18,551 | £5,188 GBP |
| H-I | VVS1 | 10,902 | £4,552 GBP |
| H-I | VVS2 | 11,812 | £4,369 GBP |
| J-K | I | 1,500 | £2,706 GBP |
| J-K | IF | 2,151 | £2,699 GBP |
| J-K | SI1 | 10,672 | £3,448 GBP |
| J-K | SI2 | 12,022 | £2,853 GBP |
| J-K | VS1 | 6,949 | £3,808 GBP |
| J-K | VS2 | 7,966 | £2,928 GBP |
| J-K | VVS1 | 4,756 | £3,566 GBP |
| J-K | VVS2 | 5,042 | £2,829 GBP |
| L-M | I | 154 | £1,192 GBP |
| L-M | IF | 295 | £1,460 GBP |
| L-M | SI1 | 1,758 | £2,021 GBP |
| L-M | SI2 | 1,872 | £1,924 GBP |
| L-M | VS1 | 1,207 | £1,919 GBP |
| L-M | VS2 | 1,543 | £2,022 GBP |
| L-M | VVS1 | 676 | £1,829 GBP |
| L-M | VVS2 | 653 | £1,858 GBP |
| N+ | I | 1,493 | £5,629 GBP |
| N+ | IF | 60 | £26,073 GBP |
| N+ | SI1 | 881 | £13,737 GBP |
| N+ | SI2 | 1,234 | £8,071 GBP |
| N+ | VS1 | 1,014 | £6,060 GBP |
| N+ | VS2 | 1,412 | £2,616 GBP |
| N+ | VVS1 | 199 | £3,056 GBP |
| N+ | VVS2 | 1,869 | £1,317 GBP |
| N+ | other | 187 | £17,147 GBP |