Lab Grown Round Diamond Prices in United States

As of July 2026, there are 6,517,325 lab grown round diamonds available. Prices range from $119 USD/ct to $28,013 USD/ct, with an average of $2,084 USD/ct.

Last updated: July 2026

By Carat Weight

Price Distribution

LowHigh

ColorFLIFVVS1VVS2VS1VS2SI1SI2I
D-E$1,962$1,846$963$672$633$617$704$2,668$3,815
F-G$1,831$1,831$1,512$953$932$1,097$1,146$3,219$3,483
H-I$1,377$3,356$1,432$1,097$1,236$1,601$2,297$3,922$2,877
J-K$1,341$5,560$6,283$2,190$1,285$2,105$2,798$3,486$2,525
L-M$6,292$4,122$3,538$4,171$3,146$3,193$2,970$2,938$1,642
N+-$2,101$846$699$698$779$948$1,495$811

By Carat Weight

0.20-0.29
63,508 listings
Avg: $1,099 USD/ct
0.30-0.49
443,530 listings
Avg: $1,401 USD/ct
0.50-0.74
633,876 listings
Avg: $1,457 USD/ct
0.75-0.99
218,646 listings
Avg: $1,603 USD/ct
1.00-1.24
1,317,568 listings
Avg: $1,556 USD/ct
1.25-1.49
287,616 listings
Avg: $1,371 USD/ct
1.50-1.99
1,195,488 listings
Avg: $1,737 USD/ct
2.00-2.49
912,451 listings
Avg: $2,249 USD/ct
2.50-2.99
403,753 listings
Avg: $2,649 USD/ct
3.00-3.99
546,554 listings
Avg: $2,960 USD/ct
4.00-4.99
229,743 listings
Avg: $4,080 USD/ct
5.00-9.99
233,749 listings
Avg: $3,449 USD/ct
10.00+
19,196 listings
Avg: $1,895 USD/ct
unknown
11,647 listings
Avg: $1,724 USD/ct

Price by Color & Clarity

ColorClarityListingsAvg Price/ct
D-EFL78,467$1,962 USD
D-EI3,558$3,815 USD
D-EIF185,719$1,846 USD
D-ESI152,605$704 USD
D-ESI215,403$2,668 USD
D-EVS11,395,385$633 USD
D-EVS2334,204$617 USD
D-EVVS1759,595$963 USD
D-EVVS22,173,868$672 USD
F-GFL717$1,831 USD
F-GI5,482$3,483 USD
F-GIF16,964$1,831 USD
F-GSI128,690$1,146 USD
F-GSI214,305$3,219 USD
F-GVS1379,910$932 USD
F-GVS2115,925$1,097 USD
F-GVVS186,960$1,512 USD
F-GVVS2490,066$953 USD
H-IFL20$1,377 USD
H-II5,515$2,877 USD
H-IIF4,918$3,356 USD
H-ISI120,546$2,297 USD
H-ISI213,182$3,922 USD
H-IVS150,671$1,236 USD
H-IVS230,606$1,601 USD
H-IVVS114,489$1,432 USD
H-IVVS234,718$1,097 USD
J-KFL12$1,341 USD
J-KI3,696$2,525 USD
J-KIF2,514$5,560 USD
J-KSI113,544$2,798 USD
J-KSI28,185$3,486 USD
J-KVS124,525$1,285 USD
J-KVS216,121$2,105 USD
J-KVVS15,707$6,283 USD
J-KVVS29,398$2,190 USD
L-MFL10$6,292 USD
L-MI631$1,642 USD
L-MIF778$4,122 USD
L-MSI12,416$2,970 USD
L-MSI21,768$2,938 USD
L-MVS12,096$3,146 USD
L-MVS22,301$3,193 USD
L-MVVS11,965$3,538 USD
L-MVVS22,006$4,171 USD
N+I1,371$811 USD
N+IF729$2,101 USD
N+SI17,558$948 USD
N+SI22,891$1,495 USD
N+VS140,901$698 USD
N+VS219,283$779 USD
N+VVS14,140$846 USD
N+VVS227,408$699 USD
N+other2,883$1,665 USD