Natural Marquise Diamond Prices in United Kingdom
As of July 2026, there are 264,049 natural marquise diamonds available. Prices range from £163 GBP/ct to £361,714 GBP/ct, with an average of £6,979 GBP/ct.
Last updated: July 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 | $9,395 | $7,437 | $6,237 |
| F-G | $2,602 | $11K | $9,367 | $12K | $12K | $10K | $11K | $6,695 | $6,275 |
| H-I | $1,598 | $8,902 | $8,899 | $7,293 | $7,086 | $8,193 | $7,560 | $5,664 | $6,479 |
| J-K | - | $7,379 | $5,490 | $5,164 | $5,195 | $4,783 | $5,210 | $4,352 | $6,686 |
| L-M | - | $2,253 | $2,261 | $2,270 | $2,404 | $3,820 | $2,528 | $2,659 | $1,493 |
| N+ | - | $1,519 | $3,650 | $1,789 | $3,275 | $3,360 | $31K | $13K | $13K |
By Carat Weight
0.20-0.29
3,269 listings
Avg: £4,046 GBP/ct
0.30-0.49
67,630 listings
Avg: £1,500 GBP/ct
0.50-0.74
92,818 listings
Avg: £1,657 GBP/ct
0.75-0.99
16,598 listings
Avg: £2,058 GBP/ct
1.00-1.24
49,645 listings
Avg: £2,934 GBP/ct
1.25-1.49
2,237 listings
Avg: £3,770 GBP/ct
1.50-1.99
16,172 listings
Avg: £4,898 GBP/ct
2.00-2.49
9,388 listings
Avg: £6,819 GBP/ct
2.50-2.99
1,798 listings
Avg: £10,348 GBP/ct
3.00-3.99
2,786 listings
Avg: £11,694 GBP/ct
4.00-4.99
515 listings
Avg: £15,073 GBP/ct
5.00-9.99
523 listings
Avg: £18,941 GBP/ct
10.00+
50 listings
Avg: £37,910 GBP/ct
unknown
620 listings
Avg: £21,444 GBP/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 993 | £20,468 GBP |
| D-E | I | 1,343 | £4,911 GBP |
| D-E | IF | 7,409 | £12,536 GBP |
| D-E | SI1 | 16,850 | £7,398 GBP |
| D-E | SI2 | 12,816 | £5,856 GBP |
| D-E | VS1 | 19,941 | £10,330 GBP |
| D-E | VS2 | 19,958 | £9,271 GBP |
| D-E | VVS1 | 15,990 | £11,909 GBP |
| D-E | VVS2 | 14,502 | £11,061 GBP |
| F-G | FL | 14 | £2,049 GBP |
| F-G | I | 1,324 | £4,941 GBP |
| F-G | IF | 3,150 | £8,648 GBP |
| F-G | SI1 | 12,450 | £8,693 GBP |
| F-G | SI2 | 12,274 | £5,272 GBP |
| F-G | VS1 | 13,751 | £9,283 GBP |
| F-G | VS2 | 13,689 | £7,983 GBP |
| F-G | VVS1 | 8,666 | £7,376 GBP |
| F-G | VVS2 | 9,014 | £9,261 GBP |
| H-I | FL | 11 | £1,258 GBP |
| H-I | I | 1,268 | £5,102 GBP |
| H-I | IF | 2,725 | £7,009 GBP |
| H-I | SI1 | 9,270 | £5,953 GBP |
| H-I | SI2 | 9,258 | £4,460 GBP |
| H-I | VS1 | 7,773 | £5,579 GBP |
| H-I | VS2 | 9,139 | £6,452 GBP |
| H-I | VVS1 | 5,243 | £7,007 GBP |
| H-I | VVS2 | 5,656 | £5,742 GBP |
| J-K | I | 535 | £5,264 GBP |
| J-K | IF | 1,011 | £5,810 GBP |
| J-K | SI1 | 4,753 | £4,102 GBP |
| J-K | SI2 | 4,809 | £3,427 GBP |
| J-K | VS1 | 3,141 | £4,090 GBP |
| J-K | VS2 | 4,126 | £3,766 GBP |
| J-K | VVS1 | 2,221 | £4,323 GBP |
| J-K | VVS2 | 2,044 | £4,067 GBP |
| L-M | I | 72 | £1,176 GBP |
| L-M | IF | 149 | £1,774 GBP |
| L-M | SI1 | 840 | £1,990 GBP |
| L-M | SI2 | 849 | £2,093 GBP |
| L-M | VS1 | 605 | £1,893 GBP |
| L-M | VS2 | 860 | £3,008 GBP |
| L-M | VVS1 | 286 | £1,780 GBP |
| L-M | VVS2 | 340 | £1,787 GBP |
| N+ | I | 500 | £9,887 GBP |
| N+ | IF | 12 | £1,196 GBP |
| N+ | SI1 | 406 | £24,109 GBP |
| N+ | SI2 | 443 | £10,557 GBP |
| N+ | VS1 | 303 | £2,579 GBP |
| N+ | VS2 | 429 | £2,646 GBP |
| N+ | VVS1 | 60 | £2,874 GBP |
| N+ | VVS2 | 671 | £1,408 GBP |
| N+ | other | 107 | £23,990 GBP |