Lab Grown Cushion Diamond Prices in United States

Last updated: October 2026

By Carat Weight

Price Distribution

LowHigh

ColorFLIFVVS1VVS2VS1VS2SI1SI2I
D-E$1,644$1,348$788$601$560$554$453$497-
F-G$1,570$1,248$714$553$518$525$473$508$410
H-I-$1,889$1,086$575$577$655$998$1,068-
J-K--$1,047$539$751$862$1,280$1,674-
L-M---$609$580$624---
N+$1,748$2,076$889$761$731$838$878$918$754

By Carat Weight

0.20-0.29
408 listings
Avg: $1,062 USD/ct
0.30-0.49
14,430 listings
Avg: $1,217 USD/ct
0.50-0.74
43,763 listings
Avg: $1,051 USD/ct
0.75-0.99
48,946 listings
Avg: $790 USD/ct
1.00-1.24
243,137 listings
Avg: $661 USD/ct
1.25-1.49
56,461 listings
Avg: $651 USD/ct
1.50-1.99
265,932 listings
Avg: $689 USD/ct
2.00-2.49
284,987 listings
Avg: $912 USD/ct
2.50-2.99
167,795 listings
Avg: $819 USD/ct
3.00-3.99
300,093 listings
Avg: $849 USD/ct
4.00-4.99
149,165 listings
Avg: $801 USD/ct
5.00-9.99
180,079 listings
Avg: $1,045 USD/ct
10.00+
20,844 listings
Avg: $649 USD/ct
unknown
18 listings
Avg: $1,856 USD/ct

Price by Color & Clarity

ColorClarityListingsAvg Price/ct
D-EFL46,525$1,644 USD
D-EIF58,324$1,348 USD
D-ESI18,123$453 USD
D-ESI2734$497 USD
D-EVS1377,714$560 USD
D-EVS272,984$554 USD
D-EVVS1181,442$788 USD
D-EVVS2466,786$601 USD
F-GFL378$1,570 USD
F-GI14$410 USD
F-GIF2,330$1,248 USD
F-GSI14,527$473 USD
F-GSI2363$508 USD
F-GVS1147,433$518 USD
F-GVS235,668$525 USD
F-GVVS116,306$714 USD
F-GVVS2140,314$553 USD
H-IIF26$1,889 USD
H-ISI1925$998 USD
H-ISI2234$1,068 USD
H-IVS112,723$577 USD
H-IVS24,090$655 USD
H-IVVS1875$1,086 USD
H-IVVS26,394$575 USD
J-KSI1369$1,280 USD
J-KSI2147$1,674 USD
J-KVS1848$751 USD
J-KVS2439$862 USD
J-KVVS127$1,047 USD
J-KVVS2437$539 USD
L-MVS1742$580 USD
L-MVS274$624 USD
L-MVVS2271$609 USD
N+FL51$1,748 USD
N+I182$754 USD
N+IF657$2,076 USD
N+SI15,757$878 USD
N+SI21,179$918 USD
N+VS184,658$731 USD
N+VS232,568$838 USD
N+VVS15,048$889 USD
N+VVS250,614$761 USD
N+other6,758$1,818 USD