Lab Grown Oval Diamond Prices in United Kingdom

Last updated: November 2026

By Carat Weight

Price Distribution

LowHigh

ColourFLIFVVS1VVS2VS1VS2SI1SI2I
D-E$1,165$981$813$642$619$594$571$448$840
F-G$906$869$563$544$485$488$464$475$1,421
H-I$2,298$1,181$941$554$548$531$852$840$624
J-K--$757$818$871$1,327$1,140$1,682$703
L-M--$454$550$549$567$539--
N+$1,200$1,740$626$483$517$536$595$761$410

By Carat Weight

0.20-0.29
4,847 listings
Avg: £481 GBP/ct
0.30-0.49
77,272 listings
Avg: £555 GBP/ct
0.50-0.74
204,830 listings
Avg: £613 GBP/ct
0.75-0.99
149,026 listings
Avg: £552 GBP/ct
1.00-1.24
559,250 listings
Avg: £468 GBP/ct
1.25-1.49
164,863 listings
Avg: £410 GBP/ct
1.50-1.99
771,957 listings
Avg: £571 GBP/ct
2.00-2.49
558,527 listings
Avg: £640 GBP/ct
2.50-2.99
325,921 listings
Avg: £559 GBP/ct
3.00-3.99
679,577 listings
Avg: £618 GBP/ct
4.00-4.99
328,706 listings
Avg: £522 GBP/ct
5.00-9.99
461,890 listings
Avg: £608 GBP/ct
10.00+
57,053 listings
Avg: £390 GBP/ct
unknown
1,548 listings
Avg: £1,211 GBP/ct

Price by Colour & Clarity

ColourClarityListingsAvg Price/ct
D-EFL154,029£869 GBP
D-EI55£627 GBP
D-EIF225,267£731 GBP
D-ESI117,640£426 GBP
D-ESI21,117£334 GBP
D-EVS1809,040£461 GBP
D-EVS2191,244£443 GBP
D-EVVS1527,041£606 GBP
D-EVVS21,148,631£479 GBP
F-GFL1,127£675 GBP
F-GI30£1,059 GBP
F-GIF7,832£648 GBP
F-GSI110,436£346 GBP
F-GSI2681£354 GBP
F-GVS1306,567£362 GBP
F-GVS278,100£364 GBP
F-GVVS142,774£420 GBP
F-GVVS2369,887£405 GBP
H-IFL32£1,714 GBP
H-II101£466 GBP
H-IIF127£881 GBP
H-ISI18,646£635 GBP
H-ISI23,517£626 GBP
H-IVS123,912£408 GBP
H-IVS27,344£396 GBP
H-IVVS11,315£702 GBP
H-IVVS211,420£413 GBP
J-KI44£524 GBP
J-KSI17,471£850 GBP
J-KSI22,206£1,254 GBP
J-KVS12,940£650 GBP
J-KVS25,461£990 GBP
J-KVVS159£565 GBP
J-KVVS2358£610 GBP
L-MSI150£402 GBP
L-MVS1524£409 GBP
L-MVS246£423 GBP
L-MVVS110£339 GBP
L-MVVS2398£410 GBP
N+FL267£895 GBP
N+I573£306 GBP
N+IF1,872£1,297 GBP
N+SI116,528£444 GBP
N+SI24,207£568 GBP
N+VS1158,975£386 GBP
N+VS264,476£399 GBP
N+VVS110,722£467 GBP
N+VVS2105,123£360 GBP
N+other15,045£1,201 GBP