Lab Grown Marquise Diamonds

As of April 2026, there are 831,277 lab grown marquise diamonds available. Prices range from £131 GBP/ct to £14,063 GBP/ct, with an average of £850 GBP/ct.

Last updated: April 2026

By Carat Weight

Price Distribution

LowHigh

ColorFLIFVVS1VVS2VS1VS2SI1SI2I
D-E$3,364$2,262$957$572$536$594$495$1,382$1,550
F-G-$1,752$830$550$547$576$465$1,678$1,259
H-I-$2,161$1,188$519$546$855$1,449$2,778$1,236
J-K-$1,406$1,891$1,742$1,572$1,179$1,729$1,723$1,325
L-M----$843--$1,157-
N+-$1,745$889$817$821$921$782$626-

By Carat Weight

0.20-0.29
912 listings
Avg: £865 GBP/ct
0.30-0.49
40,183 listings
Avg: £882 GBP/ct
0.50-0.74
66,149 listings
Avg: £860 GBP/ct
0.75-0.99
62,006 listings
Avg: £903 GBP/ct
1.00-1.24
158,062 listings
Avg: £903 GBP/ct
1.25-1.49
38,918 listings
Avg: £598 GBP/ct
1.50-1.99
115,638 listings
Avg: £995 GBP/ct
2.00-2.49
108,773 listings
Avg: £976 GBP/ct
2.50-2.99
43,451 listings
Avg: £688 GBP/ct
3.00-3.99
110,415 listings
Avg: £849 GBP/ct
4.00-4.99
17,758 listings
Avg: £938 GBP/ct
5.00-9.99
62,010 listings
Avg: £804 GBP/ct
10.00+
6,715 listings
Avg: £516 GBP/ct
unknown
287 listings
Avg: £858 GBP/ct

Price by Color & Clarity

ColorClarityListingsAvg Price/ct
D-EFL2,820£2,649 GBP
D-EI23£1,221 GBP
D-EIF23,303£1,781 GBP
D-ESI13,749£390 GBP
D-ESI2259£1,088 GBP
D-EVS1200,338£422 GBP
D-EVS258,874£467 GBP
D-EVVS170,177£753 GBP
D-EVVS2239,392£450 GBP
F-GI46£992 GBP
F-GIF803£1,379 GBP
F-GSI12,159£366 GBP
F-GSI2228£1,321 GBP
F-GVS185,077£431 GBP
F-GVS222,123£454 GBP
F-GVVS19,960£653 GBP
F-GVVS287,520£433 GBP
H-II63£973 GBP
H-IIF101£1,702 GBP
H-ISI1537£1,141 GBP
H-ISI2194£2,188 GBP
H-IVS14,016£430 GBP
H-IVS21,702£674 GBP
H-IVVS1671£936 GBP
H-IVVS23,073£409 GBP
J-KI51£1,043 GBP
J-KIF16£1,107 GBP
J-KSI1293£1,362 GBP
J-KSI2171£1,356 GBP
J-KVS1230£1,238 GBP
J-KVS2273£928 GBP
J-KVVS192£1,489 GBP
J-KVVS2161£1,372 GBP
L-MSI231£911 GBP
L-MVS133£664 GBP
N+IF125£1,374 GBP
N+SI1399£616 GBP
N+SI226£493 GBP
N+VS15,807£646 GBP
N+VS22,025£725 GBP
N+VVS1230£700 GBP
N+VVS24,106£643 GBP