Lab Grown Heart Diamond Prices in United Kingdom

Last updated: September 2026

By Carat Weight

Price Distribution

LowHigh

ColourFLIFVVS1VVS2VS1VS2SI1SI2I
D-E$2,959$2,644$730$546$582$503$524$937$1,471
F-G$2,168$1,792$675$506$483$562$910$1,291$2,770
H-I-$1,715$1,393$694$640$1,052$1,167$2,268$1,507
J-K-$2,156$1,786$935$1,454$1,348$1,640$2,571$3,823
L-M---$969$581$1,542$1,083--
N+-$1,254$705$654$622$640$585$606-

By Carat Weight

0.20-0.29
562 listings
Avg: £750 GBP/ct
0.30-0.49
6,737 listings
Avg: £886 GBP/ct
0.50-0.74
21,653 listings
Avg: £954 GBP/ct
0.75-0.99
22,008 listings
Avg: £917 GBP/ct
1.00-1.24
110,754 listings
Avg: £779 GBP/ct
1.25-1.49
20,106 listings
Avg: £718 GBP/ct
1.50-1.99
90,262 listings
Avg: £910 GBP/ct
2.00-2.49
66,583 listings
Avg: £868 GBP/ct
2.50-2.99
26,122 listings
Avg: £913 GBP/ct
3.00-3.99
38,251 listings
Avg: £845 GBP/ct
4.00-4.99
17,703 listings
Avg: £608 GBP/ct
5.00-9.99
26,191 listings
Avg: £677 GBP/ct
10.00+
5,733 listings
Avg: £1,967 GBP/ct
unknown
197 listings
Avg: £699 GBP/ct

Price by Colour & Clarity

ColourClarityListingsAvg Price/ct
D-EFL4,698£2,330 GBP
D-EI10£1,158 GBP
D-EIF10,837£2,082 GBP
D-ESI11,816£412 GBP
D-ESI2246£738 GBP
D-EVS1111,754£458 GBP
D-EVS218,807£396 GBP
D-EVVS142,007£575 GBP
D-EVVS2146,927£430 GBP
F-GFL87£1,707 GBP
F-GI43£2,181 GBP
F-GIF427£1,411 GBP
F-GSI11,271£717 GBP
F-GSI2252£1,017 GBP
F-GVS126,940£380 GBP
F-GVS27,861£443 GBP
F-GVVS14,994£531 GBP
F-GVVS229,659£399 GBP
H-II34£1,187 GBP
H-IIF60£1,351 GBP
H-ISI1318£919 GBP
H-ISI2148£1,786 GBP
H-IVS11,984£504 GBP
H-IVS2812£829 GBP
H-IVVS1240£1,097 GBP
H-IVVS21,210£546 GBP
J-KI65£3,010 GBP
J-KIF55£1,698 GBP
J-KSI1187£1,292 GBP
J-KSI269£2,024 GBP
J-KVS1142£1,145 GBP
J-KVS2158£1,061 GBP
J-KVVS183£1,407 GBP
J-KVVS2115£736 GBP
L-MSI136£852 GBP
L-MVS131£457 GBP
L-MVS211£1,214 GBP
L-MVVS223£763 GBP
N+IF68£987 GBP
N+SI11,286£461 GBP
N+SI2164£477 GBP
N+VS117,146£490 GBP
N+VS26,509£504 GBP
N+VVS1565£555 GBP
N+VVS210,180£515 GBP
N+other2,527£1,338 GBP