Lab Grown Princess Diamond Prices in United Kingdom

As of June 2026, there are 770,498 lab grown princess diamonds available. Prices range from £66 GBP/ct to £15,386 GBP/ct, with an average of £1,101 GBP/ct.

Last updated: June 2026

By Carat Weight

Price Distribution

LowHigh

ColourFLIFVVS1VVS2VS1VS2SI1SI2I
D-E$3,660$2,458$1,072$726$690$646$540$1,814$3,007
F-G-$1,480$804$701$641$691$756$3,130$2,116
H-I-$2,365$1,421$740$724$1,054$1,389$2,833$2,561
J-K-$1,516$2,153$1,737$1,178$1,538$1,601$2,820$4,031
L-M--$1,149$1,703$1,255$1,423$1,148$917-
N+-$1,726$817$1,005$983$990$1,167$2,700-

By Carat Weight

0.20-0.29
800 listings
Avg: £1,146 GBP/ct
0.30-0.49
10,042 listings
Avg: £1,055 GBP/ct
0.50-0.74
32,555 listings
Avg: £1,011 GBP/ct
0.75-0.99
35,781 listings
Avg: £938 GBP/ct
1.00-1.24
140,425 listings
Avg: £884 GBP/ct
1.25-1.49
28,254 listings
Avg: £912 GBP/ct
1.50-1.99
159,133 listings
Avg: £1,149 GBP/ct
2.00-2.49
136,935 listings
Avg: £1,540 GBP/ct
2.50-2.99
56,660 listings
Avg: £893 GBP/ct
3.00-3.99
85,309 listings
Avg: £1,547 GBP/ct
4.00-4.99
40,769 listings
Avg: £865 GBP/ct
5.00-9.99
41,468 listings
Avg: £1,358 GBP/ct
10.00+
2,253 listings
Avg: £672 GBP/ct
unknown
114 listings
Avg: £2,024 GBP/ct

Price by Colour & Clarity

ColourClarityListingsAvg Price/ct
D-EFL5,995£2,882 GBP
D-EI31£2,367 GBP
D-EIF17,509£1,935 GBP
D-ESI12,196£425 GBP
D-ESI2234£1,428 GBP
D-EVS1182,740£543 GBP
D-EVS231,385£509 GBP
D-EVVS173,966£844 GBP
D-EVVS2257,374£572 GBP
F-GI129£1,666 GBP
F-GIF736£1,165 GBP
F-GSI12,065£595 GBP
F-GSI2365£2,464 GBP
F-GVS170,626£505 GBP
F-GVS216,425£544 GBP
F-GVVS17,252£633 GBP
F-GVVS268,967£552 GBP
H-II130£2,016 GBP
H-IIF262£1,862 GBP
H-ISI1886£1,094 GBP
H-ISI2339£2,230 GBP
H-IVS17,900£570 GBP
H-IVS22,891£830 GBP
H-IVVS1737£1,119 GBP
H-IVVS24,020£583 GBP
J-KI74£3,174 GBP
J-KIF61£1,194 GBP
J-KSI11,141£1,261 GBP
J-KSI2428£2,221 GBP
J-KVS1573£927 GBP
J-KVS2935£1,211 GBP
J-KVVS1164£1,695 GBP
J-KVVS2436£1,368 GBP
L-MSI143£904 GBP
L-MSI215£722 GBP
L-MVS139£988 GBP
L-MVS250£1,121 GBP
L-MVVS131£905 GBP
L-MVVS210£1,341 GBP
N+IF197£1,359 GBP
N+SI1669£919 GBP
N+SI2139£2,126 GBP
N+VS14,843£774 GBP
N+VS22,151£780 GBP
N+VVS171£643 GBP
N+VVS22,162£791 GBP
N+other1,106£1,292 GBP