Lab Grown Round Diamond Prices in United States

Last updated: October 2026

By Carat Weight

Price Distribution

LowHigh

ColorFLIFVVS1VVS2VS1VS2SI1SI2I
D-E$1,152$892$644$482$466$471$455$508$588
F-G$1,145$740$566$458$453$490$502$541$892
H-I-$908$621$504$596$770$982$1,012$1,756
J-K-$3,250$724$942$893$903$2,191$1,263$734
L-M-$1,153$749$776$932$1,097$823$900$716
N+$949$1,957$935$514$532$649$843$876$488

By Carat Weight

0.20-0.29
87,976 listings
Avg: $691 USD/ct
0.30-0.49
518,850 listings
Avg: $909 USD/ct
0.50-0.74
574,643 listings
Avg: $906 USD/ct
0.75-0.99
229,760 listings
Avg: $680 USD/ct
1.00-1.24
1,820,576 listings
Avg: $666 USD/ct
1.25-1.49
387,069 listings
Avg: $576 USD/ct
1.50-1.99
1,644,462 listings
Avg: $662 USD/ct
2.00-2.49
1,337,734 listings
Avg: $1,089 USD/ct
2.50-2.99
743,570 listings
Avg: $923 USD/ct
3.00-3.99
864,073 listings
Avg: $968 USD/ct
4.00-4.99
454,177 listings
Avg: $987 USD/ct
5.00-9.99
491,646 listings
Avg: $818 USD/ct
10.00+
42,147 listings
Avg: $580 USD/ct
unknown
8,952 listings
Avg: $812 USD/ct

Price by Color & Clarity

ColorClarityListingsAvg Price/ct
D-EFL194,445$1,152 USD
D-EI590$588 USD
D-EIF277,185$892 USD
D-ESI166,441$455 USD
D-ESI28,568$508 USD
D-EVS11,924,979$466 USD
D-EVS2485,085$471 USD
D-EVVS11,062,741$644 USD
D-EVVS22,968,238$482 USD
F-GFL1,892$1,145 USD
F-GI433$892 USD
F-GIF16,473$740 USD
F-GSI124,254$502 USD
F-GSI22,949$541 USD
F-GVS1579,027$453 USD
F-GVS2163,842$490 USD
F-GVVS1136,151$566 USD
F-GVVS2818,535$458 USD
H-II377$1,756 USD
H-IIF616$908 USD
H-ISI113,200$982 USD
H-ISI24,501$1,012 USD
H-IVS153,466$596 USD
H-IVS221,715$770 USD
H-IVVS17,691$621 USD
H-IVVS240,521$504 USD
J-KI264$734 USD
J-KIF150$3,250 USD
J-KSI110,706$2,191 USD
J-KSI24,313$1,263 USD
J-KVS127,976$893 USD
J-KVS216,702$903 USD
J-KVVS1424$724 USD
J-KVVS26,032$942 USD
L-MI12$716 USD
L-MIF10$1,153 USD
L-MSI1300$823 USD
L-MSI290$900 USD
L-MVS1446$932 USD
L-MVS2288$1,097 USD
L-MVVS169$749 USD
L-MVVS2360$776 USD
N+FL164$949 USD
N+I1,610$488 USD
N+IF2,062$1,957 USD
N+SI119,948$843 USD
N+SI27,280$876 USD
N+VS199,902$532 USD
N+VS247,051$649 USD
N+VVS111,031$935 USD
N+VVS264,129$514 USD
N+other10,401$1,646 USD