Lab Grown Princess Diamond Prices in United Kingdom
As of July 2026, there are 846,319 lab grown princess diamonds available. Prices range from £66 GBP/ct to £57,686 GBP/ct, with an average of £1,020 GBP/ct.
Last updated: July 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $2,683 | $2,108 | $937 | $679 | $644 | $637 | $540 | $1,157 | $2,945 |
| F-G | $2,185 | $1,403 | $737 | $671 | $644 | $729 | $843 | $3,017 | $2,286 |
| H-I | - | $2,136 | $1,375 | $640 | $764 | $1,050 | $1,433 | $2,041 | $2,814 |
| J-K | - | $1,516 | $2,129 | $990 | $1,182 | $1,489 | $1,466 | $1,983 | $3,835 |
| L-M | - | - | $1,149 | $1,703 | $1,263 | $1,144 | $1,152 | $917 | - |
| N+ | - | $1,799 | $696 | $905 | $886 | $968 | $1,319 | $1,942 | - |
By Carat Weight
0.20-0.29
875 listings
Avg: £1,112 GBP/ct
0.30-0.49
11,192 listings
Avg: £1,083 GBP/ct
0.50-0.74
40,368 listings
Avg: £944 GBP/ct
0.75-0.99
37,620 listings
Avg: £891 GBP/ct
1.00-1.24
136,254 listings
Avg: £915 GBP/ct
1.25-1.49
30,703 listings
Avg: £825 GBP/ct
1.50-1.99
170,580 listings
Avg: £1,119 GBP/ct
2.00-2.49
151,458 listings
Avg: £1,227 GBP/ct
2.50-2.99
69,245 listings
Avg: £1,008 GBP/ct
3.00-3.99
106,086 listings
Avg: £1,155 GBP/ct
4.00-4.99
43,931 listings
Avg: £995 GBP/ct
5.00-9.99
44,369 listings
Avg: £1,145 GBP/ct
10.00+
3,514 listings
Avg: £621 GBP/ct
unknown
124 listings
Avg: £1,712 GBP/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 12,139 | £2,113 GBP |
| D-E | I | 32 | £2,319 GBP |
| D-E | IF | 22,381 | £1,660 GBP |
| D-E | SI1 | 2,003 | £425 GBP |
| D-E | SI2 | 244 | £911 GBP |
| D-E | VS1 | 186,463 | £507 GBP |
| D-E | VS2 | 30,454 | £501 GBP |
| D-E | VVS1 | 90,903 | £738 GBP |
| D-E | VVS2 | 266,179 | £535 GBP |
| F-G | FL | 54 | £1,721 GBP |
| F-G | I | 69 | £1,800 GBP |
| F-G | IF | 714 | £1,105 GBP |
| F-G | SI1 | 2,253 | £664 GBP |
| F-G | SI2 | 312 | £2,376 GBP |
| F-G | VS1 | 81,560 | £507 GBP |
| F-G | VS2 | 19,581 | £574 GBP |
| F-G | VVS1 | 8,800 | £580 GBP |
| F-G | VVS2 | 76,969 | £528 GBP |
| H-I | I | 83 | £2,216 GBP |
| H-I | IF | 123 | £1,682 GBP |
| H-I | SI1 | 1,209 | £1,128 GBP |
| H-I | SI2 | 245 | £1,607 GBP |
| H-I | VS1 | 9,212 | £602 GBP |
| H-I | VS2 | 3,361 | £827 GBP |
| H-I | VVS1 | 743 | £1,083 GBP |
| H-I | VVS2 | 4,585 | £504 GBP |
| J-K | I | 48 | £3,019 GBP |
| J-K | IF | 61 | £1,194 GBP |
| J-K | SI1 | 1,520 | £1,154 GBP |
| J-K | SI2 | 544 | £1,561 GBP |
| J-K | VS1 | 528 | £931 GBP |
| J-K | VS2 | 1,089 | £1,172 GBP |
| J-K | VVS1 | 95 | £1,677 GBP |
| J-K | VVS2 | 353 | £780 GBP |
| L-M | SI1 | 36 | £907 GBP |
| L-M | SI2 | 15 | £722 GBP |
| L-M | VS1 | 38 | £995 GBP |
| L-M | VS2 | 50 | £901 GBP |
| L-M | VVS1 | 31 | £905 GBP |
| L-M | VVS2 | 10 | £1,341 GBP |
| N+ | IF | 224 | £1,417 GBP |
| N+ | SI1 | 1,359 | £1,039 GBP |
| N+ | SI2 | 362 | £1,529 GBP |
| N+ | VS1 | 9,219 | £698 GBP |
| N+ | VS2 | 4,065 | £762 GBP |
| N+ | VVS1 | 158 | £548 GBP |
| N+ | VVS2 | 4,236 | £713 GBP |
| N+ | other | 1,607 | £1,359 GBP |