Natural Marquise Diamond Prices in United Kingdom
As of August 2026, there are 266,712 natural marquise diamonds available. Prices range from £163 GBP/ct to £361,714 GBP/ct, with an average of £6,987 GBP/ct.
Last updated: August 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $26K | $16K | $15K | $14K | $13K | $12K | $9,386 | $7,437 | $6,245 |
| F-G | $2,602 | $11K | $9,376 | $12K | $12K | $10K | $11K | $6,697 | $6,293 |
| H-I | $1,598 | $8,892 | $8,875 | $7,350 | $7,078 | $8,174 | $7,381 | $5,680 | $6,493 |
| J-K | - | $7,416 | $5,493 | $5,149 | $5,198 | $4,784 | $5,208 | $4,354 | $6,706 |
| L-M | - | $2,248 | $2,262 | $2,272 | $2,398 | $3,818 | $2,525 | $2,664 | $1,493 |
| N+ | - | $1,527 | $3,610 | $1,724 | $3,350 | $3,373 | $31K | $13K | $13K |
By Carat Weight
0.20-0.29
3,279 listings
Avg: £4,010 GBP/ct
0.30-0.49
68,633 listings
Avg: £1,570 GBP/ct
0.50-0.74
93,226 listings
Avg: £1,654 GBP/ct
0.75-0.99
16,679 listings
Avg: £2,065 GBP/ct
1.00-1.24
50,585 listings
Avg: £2,936 GBP/ct
1.25-1.49
2,231 listings
Avg: £3,787 GBP/ct
1.50-1.99
16,294 listings
Avg: £4,908 GBP/ct
2.00-2.49
9,478 listings
Avg: £6,821 GBP/ct
2.50-2.99
1,795 listings
Avg: £10,384 GBP/ct
3.00-3.99
2,800 listings
Avg: £11,741 GBP/ct
4.00-4.99
515 listings
Avg: £14,973 GBP/ct
5.00-9.99
523 listings
Avg: £18,941 GBP/ct
10.00+
50 listings
Avg: £37,910 GBP/ct
unknown
624 listings
Avg: £21,437 GBP/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 991 | £20,509 GBP |
| D-E | I | 1,543 | £4,917 GBP |
| D-E | IF | 7,498 | £12,559 GBP |
| D-E | SI1 | 16,984 | £7,390 GBP |
| D-E | SI2 | 13,274 | £5,856 GBP |
| D-E | VS1 | 19,930 | £10,321 GBP |
| D-E | VS2 | 19,938 | £9,268 GBP |
| D-E | VVS1 | 15,977 | £11,926 GBP |
| D-E | VVS2 | 14,638 | £11,151 GBP |
| F-G | FL | 14 | £2,049 GBP |
| F-G | I | 1,551 | £4,955 GBP |
| F-G | IF | 3,188 | £8,764 GBP |
| F-G | SI1 | 12,497 | £8,671 GBP |
| F-G | SI2 | 12,592 | £5,273 GBP |
| F-G | VS1 | 13,770 | £9,231 GBP |
| F-G | VS2 | 13,688 | £7,968 GBP |
| F-G | VVS1 | 8,671 | £7,383 GBP |
| F-G | VVS2 | 9,001 | £9,252 GBP |
| H-I | FL | 11 | £1,258 GBP |
| H-I | I | 1,494 | £5,113 GBP |
| H-I | IF | 2,734 | £7,002 GBP |
| H-I | SI1 | 9,283 | £5,812 GBP |
| H-I | SI2 | 9,507 | £4,472 GBP |
| H-I | VS1 | 7,824 | £5,573 GBP |
| H-I | VS2 | 9,204 | £6,436 GBP |
| H-I | VVS1 | 5,316 | £6,988 GBP |
| H-I | VVS2 | 5,688 | £5,787 GBP |
| J-K | I | 672 | £5,280 GBP |
| J-K | IF | 1,006 | £5,840 GBP |
| J-K | SI1 | 4,825 | £4,101 GBP |
| J-K | SI2 | 4,891 | £3,428 GBP |
| J-K | VS1 | 3,158 | £4,093 GBP |
| J-K | VS2 | 4,156 | £3,767 GBP |
| J-K | VVS1 | 2,235 | £4,326 GBP |
| J-K | VVS2 | 2,046 | £4,054 GBP |
| L-M | I | 72 | £1,176 GBP |
| L-M | IF | 146 | £1,770 GBP |
| L-M | SI1 | 837 | £1,988 GBP |
| L-M | SI2 | 856 | £2,098 GBP |
| L-M | VS1 | 600 | £1,888 GBP |
| L-M | VS2 | 858 | £3,006 GBP |
| L-M | VVS1 | 281 | £1,781 GBP |
| L-M | VVS2 | 336 | £1,789 GBP |
| N+ | I | 499 | £9,925 GBP |
| N+ | IF | 13 | £1,202 GBP |
| N+ | SI1 | 407 | £24,128 GBP |
| N+ | SI2 | 444 | £10,539 GBP |
| N+ | VS1 | 307 | £2,637 GBP |
| N+ | VS2 | 436 | £2,656 GBP |
| N+ | VVS1 | 63 | £2,843 GBP |
| N+ | VVS2 | 663 | £1,358 GBP |
| N+ | other | 99 | £24,476 GBP |