Lab Grown Oval Diamond Prices in United States

As of June 2026, there are 2,883,196 lab grown oval diamonds available. Prices range from $151 USD/ct to $33,444 USD/ct, with an average of $1,696 USD/ct.

Last updated: June 2026

By Carat Weight

Price Distribution

LowHigh

ColorFLIFVVS1VVS2VS1VS2SI1SI2I
D-E$2,941$1,740$1,150$713$674$669$607$2,230$2,796
F-G$2,419$1,427$1,111$682$681$584$652$4,220$2,911
H-I-$2,701$1,346$896$695$1,413$1,456$4,784$2,414
J-K-$2,410$3,003$3,535$2,109$2,227$3,036$3,584$5,823
L-M-$1,143$1,270$988$927$1,120$1,171$1,220$758
N+$1,473$1,856$867$859$815$858$823$1,572$483

By Carat Weight

0.20-0.29
1,932 listings
Avg: $1,256 USD/ct
0.30-0.49
29,781 listings
Avg: $1,225 USD/ct
0.50-0.74
111,198 listings
Avg: $1,181 USD/ct
0.75-0.99
81,824 listings
Avg: $1,210 USD/ct
1.00-1.24
497,134 listings
Avg: $1,229 USD/ct
1.25-1.49
190,391 listings
Avg: $1,392 USD/ct
1.50-1.99
706,804 listings
Avg: $1,861 USD/ct
2.00-2.49
508,661 listings
Avg: $1,866 USD/ct
2.50-2.99
187,155 listings
Avg: $1,354 USD/ct
3.00-3.99
277,876 listings
Avg: $2,205 USD/ct
4.00-4.99
134,298 listings
Avg: $2,447 USD/ct
5.00-9.99
130,695 listings
Avg: $2,923 USD/ct
10.00+
24,232 listings
Avg: $2,682 USD/ct
unknown
1,215 listings
Avg: $1,636 USD/ct

Price by Color & Clarity

ColorClarityListingsAvg Price/ct
D-EFL34,475$2,941 USD
D-EI166$2,796 USD
D-EIF97,072$1,740 USD
D-ESI112,706$607 USD
D-ESI2840$2,230 USD
D-EVS1695,627$674 USD
D-EVS2183,859$669 USD
D-EVVS1294,484$1,150 USD
D-EVVS2873,683$713 USD
D-Eother25$741 USD
F-GFL129$2,419 USD
F-GI235$2,911 USD
F-GIF3,202$1,427 USD
F-GSI16,532$652 USD
F-GSI2864$4,220 USD
F-GVS1228,173$681 USD
F-GVS259,127$584 USD
F-GVVS124,147$1,111 USD
F-GVVS2249,678$682 USD
F-Gother17$547 USD
H-II182$2,414 USD
H-IIF742$2,701 USD
H-ISI14,534$1,456 USD
H-ISI21,985$4,784 USD
H-IVS115,076$695 USD
H-IVS28,801$1,413 USD
H-IVVS11,724$1,346 USD
H-IVVS28,665$896 USD
J-KI657$5,823 USD
J-KIF166$2,410 USD
J-KSI14,514$3,036 USD
J-KSI21,378$3,584 USD
J-KVS11,943$2,109 USD
J-KVS23,424$2,227 USD
J-KVVS1466$3,003 USD
J-KVVS2831$3,535 USD
L-MI10$758 USD
L-MIF30$1,143 USD
L-MSI166$1,171 USD
L-MSI271$1,220 USD
L-MVS199$927 USD
L-MVS268$1,120 USD
L-MVVS146$1,270 USD
L-MVVS232$988 USD
N+FL10$1,473 USD
N+I141$483 USD
N+IF588$1,856 USD
N+SI12,864$823 USD
N+SI2506$1,572 USD
N+VS125,871$815 USD
N+VS211,534$858 USD
N+VVS11,729$867 USD
N+VVS216,109$859 USD
N+other3,293$1,763 USD