Lab Grown Radiant Diamond Prices in United Kingdom

Last updated: November 2026

By Carat Weight

Price Distribution

LowHigh

ColourFLIFVVS1VVS2VS1VS2SI1SI2I
D-E$1,218$1,019$675$532$497$479$443$488$334
F-G$1,175$874$600$482$478$496$469$462-
H-I-$1,130$994$470$533$698$800$643$164
J-K---$550$1,628$2,682$1,045--
L-M---$498$410----
N+$1,516$1,677$658$520$500$527$534$597$632

By Carat Weight

0.20-0.29
1,544 listings
Avg: £467 GBP/ct
0.30-0.49
29,351 listings
Avg: £641 GBP/ct
0.50-0.74
80,834 listings
Avg: £587 GBP/ct
0.75-0.99
65,256 listings
Avg: £477 GBP/ct
1.00-1.24
283,897 listings
Avg: £459 GBP/ct
1.25-1.49
83,248 listings
Avg: £476 GBP/ct
1.50-1.99
340,613 listings
Avg: £462 GBP/ct
2.00-2.49
326,729 listings
Avg: £702 GBP/ct
2.50-2.99
154,423 listings
Avg: £844 GBP/ct
3.00-3.99
337,611 listings
Avg: £526 GBP/ct
4.00-4.99
193,638 listings
Avg: £516 GBP/ct
5.00-9.99
249,722 listings
Avg: £569 GBP/ct
10.00+
28,398 listings
Avg: £412 GBP/ct
unknown
33 listings
Avg: £416 GBP/ct

Price by Colour & Clarity

ColourClarityListingsAvg Price/ct
D-EFL50,204£908 GBP
D-EI22£249 GBP
D-EIF103,462£759 GBP
D-ESI17,923£330 GBP
D-ESI2457£364 GBP
D-EVS1404,916£371 GBP
D-EVS285,198£357 GBP
D-EVVS1249,279£504 GBP
D-EVVS2500,840£397 GBP
F-GFL399£876 GBP
F-GIF5,305£651 GBP
F-GSI16,662£349 GBP
F-GSI2488£345 GBP
F-GVS1187,832£357 GBP
F-GVS247,932£370 GBP
F-GVVS118,822£448 GBP
F-GVVS2170,645£359 GBP
H-II11£122 GBP
H-IIF263£843 GBP
H-ISI11,100£596 GBP
H-ISI2101£480 GBP
H-IVS115,939£398 GBP
H-IVS25,637£521 GBP
H-IVVS11,032£741 GBP
H-IVVS29,349£351 GBP
J-KSI155£779 GBP
J-KVS1362£1,214 GBP
J-KVS2226£2,000 GBP
J-KVVS2230£410 GBP
L-MVS118£306 GBP
L-MVVS264£372 GBP
N+FL124£1,131 GBP
N+I327£471 GBP
N+IF1,098£1,251 GBP
N+SI110,300£398 GBP
N+SI21,903£445 GBP
N+VS1134,191£373 GBP
N+VS257,781£393 GBP
N+VVS15,540£491 GBP
N+VVS278,864£388 GBP
N+other10,396£1,129 GBP