Lab Grown Round Diamond Prices in United Kingdom

As of June 2026, there are 6,288,643 lab grown round diamonds available. Prices range from £89 GBP/ct to £25,654 GBP/ct, with an average of £1,826 GBP/ct.

Last updated: June 2026

By Carat Weight

Price Distribution

LowHigh

ColourFLIFVVS1VVS2VS1VS2SI1SI2I
D-E$3,388$1,605$1,039$732$691$655$675$3,795$3,677
F-G$2,512$1,843$1,218$763$732$852$845$3,033$3,461
H-I$1,377$4,997$2,287$949$1,075$1,516$3,036$4,832$3,198
J-K$1,341$5,523$5,916$2,981$2,002$3,299$3,198$4,991$4,265
L-M$6,637$4,181$3,508$4,090$3,262$3,319$3,010$2,931$1,661
N+-$2,023$1,006$787$767$819$933$1,485$825

By Carat Weight

0.20-0.29
58,053 listings
Avg: £892 GBP/ct
0.30-0.49
372,886 listings
Avg: £890 GBP/ct
0.50-0.74
567,629 listings
Avg: £968 GBP/ct
0.75-0.99
212,238 listings
Avg: £1,183 GBP/ct
1.00-1.24
1,327,541 listings
Avg: £1,184 GBP/ct
1.25-1.49
340,423 listings
Avg: £1,197 GBP/ct
1.50-1.99
1,201,093 listings
Avg: £1,538 GBP/ct
2.00-2.49
900,222 listings
Avg: £1,945 GBP/ct
2.50-2.99
368,079 listings
Avg: £2,483 GBP/ct
3.00-3.99
528,995 listings
Avg: £2,797 GBP/ct
4.00-4.99
196,870 listings
Avg: £4,071 GBP/ct
5.00-9.99
190,892 listings
Avg: £3,693 GBP/ct
10.00+
13,705 listings
Avg: £1,470 GBP/ct
unknown
10,017 listings
Avg: £1,326 GBP/ct

Price by Colour & Clarity

ColourClarityListingsAvg Price/ct
D-EFL40,032£2,668 GBP
D-EI4,694£2,895 GBP
D-EIF158,904£1,264 GBP
D-ESI145,217£532 GBP
D-ESI211,049£2,989 GBP
D-EVS11,517,900£544 GBP
D-EVS2373,192£516 GBP
D-EVVS1620,484£818 GBP
D-EVVS22,110,484£576 GBP
F-GFL445£1,978 GBP
F-GI7,596£2,725 GBP
F-GIF13,286£1,451 GBP
F-GSI122,485£665 GBP
F-GSI210,554£2,389 GBP
F-GVS1409,217£576 GBP
F-GVS2118,596£671 GBP
F-GVVS158,997£959 GBP
F-GVVS2457,188£601 GBP
H-IFL20£1,084 GBP
H-II6,912£2,518 GBP
H-IIF5,505£3,934 GBP
H-ISI113,544£2,390 GBP
H-ISI210,142£3,805 GBP
H-IVS138,778£847 GBP
H-IVS223,905£1,193 GBP
H-IVVS111,308£1,801 GBP
H-IVVS226,759£747 GBP
J-KFL12£1,056 GBP
J-KI5,207£3,358 GBP
J-KIF3,416£4,349 GBP
J-KSI112,480£2,518 GBP
J-KSI28,536£3,930 GBP
J-KVS119,142£1,576 GBP
J-KVS214,034£2,598 GBP
J-KVVS15,901£4,658 GBP
J-KVVS28,787£2,347 GBP
L-MFL10£5,226 GBP
L-MI1,613£1,308 GBP
L-MIF1,029£3,292 GBP
L-MSI13,440£2,370 GBP
L-MSI23,138£2,308 GBP
L-MVS12,746£2,568 GBP
L-MVS22,943£2,613 GBP
L-MVVS12,715£2,762 GBP
L-MVVS22,674£3,221 GBP
N+I2,151£650 GBP
N+IF537£1,593 GBP
N+SI15,712£735 GBP
N+SI22,416£1,169 GBP
N+VS126,649£604 GBP
N+VS213,809£645 GBP
N+VVS12,750£792 GBP
N+VVS217,379£619 GBP
N+other2,224£1,294 GBP