Lab Grown Cushion Diamonds, 3.00 - 4.99ct

As of April 2026, there are 186,542 lab grown cushion diamonds between 3.00 - 4.99ct available across retailers. Prices range from £134 GBP/ct to £10,783 GBP/ct, with an average of £843 GBP/ct.

Last updated: April 2026

Browse 186,542 diamonds in Explorer

Price Distribution

LowHigh

ColorFLIFVVS1VVS2VS1VS2SI1SI2
D-E$5,046$2,154$1,078$580$483$425$301$334
F-G-$1,382$839$465$418$434$340$330
H-I--$1,203$403$416$486$593$1,100
J-K---$326$414$1,731$2,000$7,648
N+-$2,267$895$608$615$571$447$419

Price by Color & Clarity

Average price per carat for 3.00 - 4.99ct lab grown cushion diamonds by color and clarity grade.

ColorClarityListingsAvg Price/ctSpread
D-EFL1,650£3,973 GBP60%
D-EIF7,363£1,696 GBP92%
D-ESI11,020£237 GBP77%
D-ESI277£263 GBP247%
D-EVS137,484£381 GBP90%
D-EVS28,857£335 GBP90%
D-EVVS118,940£849 GBP88%
D-EVVS252,814£457 GBP94%
F-GIF224£1,088 GBP92%
F-GSI11,052£268 GBP83%
F-GSI281£260 GBP190%
F-GVS118,824£329 GBP89%
F-GVS24,633£342 GBP97%
F-GVVS11,536£661 GBP114%
F-GVVS216,478£366 GBP95%
H-ISI1184£467 GBP134%
H-ISI230£866 GBP500%
H-IVS12,248£328 GBP122%
H-IVS2829£382 GBP168%
H-IVVS183£947 GBP97%
H-IVVS2967£318 GBP131%
J-KSI142£1,575 GBP8%
J-KSI224£6,022 GBP52%
J-KVS1143£326 GBP108%
J-KVS265£1,363 GBP91%
J-KVVS288£257 GBP101%
N+IF38£1,785 GBP21%
N+SI1346£352 GBP124%
N+SI260£330 GBP113%
N+VS15,402£484 GBP107%
N+VS21,920£450 GBP107%
N+VVS1199£704 GBP109%
N+VVS22,841£479 GBP112%

Explore by Specification

D FLD IFD VVS1D VVS2D VS1D VS2D SI1D SI2E FLE IFE VVS1E VVS2E VS1E VS2E SI1E SI2F FLF IFF VVS1F VVS2F VS1F VS2F SI1F SI2G FLG IFG VVS1G VVS2G VS1G VS2G SI1G SI2H FLH IFH VVS1H VVS2H VS1H VS2H SI1H SI2I FLI IFI VVS1I VVS2I VS1I VS2I SI1I SI2J FLJ IFJ VVS1J VVS2J VS1J VS2J SI1J SI2