Lab Grown Cushion Diamond Prices in United States

As of June 2026, there are 1,017,134 lab grown cushion diamonds available. Prices range from $85 USD/ct to $28,635 USD/ct, with an average of $1,421 USD/ct.

Last updated: June 2026

By Carat Weight

Price Distribution

LowHigh

ColorFLIFVVS1VVS2VS1VS2SI1SI2I
D-E$4,185$2,807$961$802$611$590$474$763$2,820
F-G$2,266$1,491$809$568$541$537$504$1,066$2,499
H-I-$2,077$1,295$826$780$1,038$2,074$3,608$2,230
J-K-$1,378$2,168$1,066$1,183$1,516$2,221$4,854$6,982
L-M---$1,049$456$1,261$1,345--
N+-$1,569$1,043$817$754$862$1,057$1,259$226

By Carat Weight

0.20-0.29
454 listings
Avg: $1,530 USD/ct
0.30-0.49
10,538 listings
Avg: $1,364 USD/ct
0.50-0.74
29,953 listings
Avg: $1,278 USD/ct
0.75-0.99
37,732 listings
Avg: $1,145 USD/ct
1.00-1.24
123,890 listings
Avg: $1,299 USD/ct
1.25-1.49
35,107 listings
Avg: $904 USD/ct
1.50-1.99
154,687 listings
Avg: $1,383 USD/ct
2.00-2.49
196,741 listings
Avg: $1,293 USD/ct
2.50-2.99
122,285 listings
Avg: $1,467 USD/ct
3.00-3.99
176,899 listings
Avg: $1,355 USD/ct
4.00-4.99
52,151 listings
Avg: $1,617 USD/ct
5.00-9.99
66,417 listings
Avg: $2,298 USD/ct
10.00+
10,241 listings
Avg: $1,856 USD/ct
unknown
39 listings
Avg: $1,786 USD/ct

Price by Color & Clarity

ColorClarityListingsAvg Price/ct
D-EFL10,043$4,185 USD
D-EI23$2,820 USD
D-EIF22,002$2,807 USD
D-ESI15,237$474 USD
D-ESI2520$763 USD
D-EVS1249,398$611 USD
D-EVS251,009$590 USD
D-EVVS182,626$961 USD
D-EVVS2307,903$802 USD
F-GFL63$2,266 USD
F-GI31$2,499 USD
F-GIF1,165$1,491 USD
F-GSI12,951$504 USD
F-GSI2329$1,066 USD
F-GVS197,390$541 USD
F-GVS224,749$537 USD
F-GVVS17,285$809 USD
F-GVVS283,450$568 USD
H-II28$2,230 USD
H-IIF79$2,077 USD
H-ISI1872$2,074 USD
H-ISI2266$3,608 USD
H-IVS15,653$780 USD
H-IVS22,210$1,038 USD
H-IVVS1334$1,295 USD
H-IVVS23,057$826 USD
J-KI78$6,982 USD
J-KIF28$1,378 USD
J-KSI1820$2,221 USD
J-KSI2227$4,854 USD
J-KVS1714$1,183 USD
J-KVS2853$1,516 USD
J-KVVS198$2,168 USD
J-KVVS2336$1,066 USD
L-MSI126$1,345 USD
L-MVS125$456 USD
L-MVS213$1,261 USD
L-MVVS238$1,049 USD
N+I19$226 USD
N+IF332$1,569 USD
N+SI11,916$1,057 USD
N+SI2353$1,259 USD
N+VS124,070$754 USD
N+VS29,743$862 USD
N+VVS11,412$1,043 USD
N+VVS213,893$817 USD
N+other3,467$1,811 USD