Lab Grown Oval Diamond Prices in United States

As of July 2026, there are 2,864,827 lab grown oval diamonds available. Prices range from $119 USD/ct to $33,444 USD/ct, with an average of $1,555 USD/ct.

Last updated: July 2026

By Carat Weight

Price Distribution

LowHigh

ColorFLIFVVS1VVS2VS1VS2SI1SI2I
D-E$1,827$1,469$1,017$669$656$680$609$2,274$3,255
F-G$1,875$1,226$1,040$708$694$631$661$3,684$3,073
H-I$4,081$2,423$1,306$869$719$1,204$1,333$4,519$1,686
J-K-$2,383$2,765$3,427$1,945$1,828$2,516$3,233$4,234
L-M-$1,213$1,468$1,202$1,662$1,115$1,148$1,170$758
N+$1,876$1,940$817$791$745$768$772$1,459$534

By Carat Weight

0.20-0.29
2,507 listings
Avg: $1,160 USD/ct
0.30-0.49
33,496 listings
Avg: $1,135 USD/ct
0.50-0.74
138,929 listings
Avg: $1,110 USD/ct
0.75-0.99
99,779 listings
Avg: $1,183 USD/ct
1.00-1.24
485,689 listings
Avg: $1,175 USD/ct
1.25-1.49
145,758 listings
Avg: $1,283 USD/ct
1.50-1.99
623,161 listings
Avg: $1,583 USD/ct
2.00-2.49
434,588 listings
Avg: $1,893 USD/ct
2.50-2.99
200,186 listings
Avg: $1,217 USD/ct
3.00-3.99
311,858 listings
Avg: $1,978 USD/ct
4.00-4.99
174,591 listings
Avg: $1,874 USD/ct
5.00-9.99
180,109 listings
Avg: $2,764 USD/ct
10.00+
32,942 listings
Avg: $2,467 USD/ct
unknown
1,234 listings
Avg: $1,519 USD/ct

Price by Color & Clarity

ColorClarityListingsAvg Price/ct
D-EFL68,520$1,827 USD
D-EI140$3,255 USD
D-EIF129,949$1,469 USD
D-ESI19,514$609 USD
D-ESI2738$2,274 USD
D-EVS1605,936$656 USD
D-EVS2133,996$680 USD
D-EVVS1371,502$1,017 USD
D-EVVS2877,944$669 USD
D-Eother25$785 USD
F-GFL336$1,875 USD
F-GI160$3,073 USD
F-GIF4,200$1,226 USD
F-GSI15,307$661 USD
F-GSI2682$3,684 USD
F-GVS1191,807$694 USD
F-GVS248,121$631 USD
F-GVVS125,163$1,040 USD
F-GVVS2228,806$708 USD
F-Gother11$506 USD
H-IFL10$4,081 USD
H-II185$1,686 USD
H-IIF449$2,423 USD
H-ISI15,160$1,333 USD
H-ISI22,278$4,519 USD
H-IVS114,852$719 USD
H-IVS28,500$1,204 USD
H-IVVS11,090$1,306 USD
H-IVVS27,293$869 USD
J-KI614$4,234 USD
J-KIF104$2,383 USD
J-KSI15,395$2,516 USD
J-KSI21,523$3,233 USD
J-KVS12,155$1,945 USD
J-KVS23,931$1,828 USD
J-KVVS1260$2,765 USD
J-KVVS2579$3,427 USD
L-MI10$758 USD
L-MIF30$1,213 USD
L-MSI156$1,148 USD
L-MSI267$1,170 USD
L-MVS1111$1,662 USD
L-MVS260$1,115 USD
L-MVVS130$1,468 USD
L-MVVS262$1,202 USD
N+FL80$1,876 USD
N+I135$534 USD
N+IF851$1,940 USD
N+SI14,974$772 USD
N+SI21,065$1,459 USD
N+VS144,749$745 USD
N+VS218,981$768 USD
N+VVS12,931$817 USD
N+VVS229,041$791 USD
N+other4,359$1,796 USD