Lab Grown Round Diamond Prices in United States

As of June 2026, there are 6,288,643 lab grown round diamonds available. Prices range from $113 USD/ct to $32,581 USD/ct, with an average of $2,319 USD/ct.

Last updated: June 2026

By Carat Weight

Price Distribution

LowHigh

ColorFLIFVVS1VVS2VS1VS2SI1SI2I
D-E$3,388$1,605$1,039$732$691$655$675$3,795$3,677
F-G$2,512$1,843$1,218$763$732$852$845$3,033$3,461
H-I$1,377$4,997$2,287$949$1,075$1,516$3,036$4,832$3,198
J-K$1,341$5,523$5,916$2,981$2,002$3,299$3,198$4,991$4,265
L-M$6,637$4,181$3,508$4,090$3,262$3,319$3,010$2,931$1,661
N+-$2,023$1,006$787$767$819$933$1,485$825

By Carat Weight

0.20-0.29
58,053 listings
Avg: $1,132 USD/ct
0.30-0.49
372,886 listings
Avg: $1,130 USD/ct
0.50-0.74
567,629 listings
Avg: $1,229 USD/ct
0.75-0.99
212,238 listings
Avg: $1,502 USD/ct
1.00-1.24
1,327,541 listings
Avg: $1,504 USD/ct
1.25-1.49
340,423 listings
Avg: $1,520 USD/ct
1.50-1.99
1,201,093 listings
Avg: $1,953 USD/ct
2.00-2.49
900,222 listings
Avg: $2,470 USD/ct
2.50-2.99
368,079 listings
Avg: $3,153 USD/ct
3.00-3.99
528,995 listings
Avg: $3,553 USD/ct
4.00-4.99
196,870 listings
Avg: $5,170 USD/ct
5.00-9.99
190,892 listings
Avg: $4,690 USD/ct
10.00+
13,705 listings
Avg: $1,866 USD/ct
unknown
10,017 listings
Avg: $1,684 USD/ct

Price by Color & Clarity

ColorClarityListingsAvg Price/ct
D-EFL40,032$3,388 USD
D-EI4,694$3,677 USD
D-EIF158,904$1,605 USD
D-ESI145,217$675 USD
D-ESI211,049$3,795 USD
D-EVS11,517,900$691 USD
D-EVS2373,192$655 USD
D-EVVS1620,484$1,039 USD
D-EVVS22,110,484$732 USD
F-GFL445$2,512 USD
F-GI7,596$3,461 USD
F-GIF13,286$1,843 USD
F-GSI122,485$845 USD
F-GSI210,554$3,033 USD
F-GVS1409,217$732 USD
F-GVS2118,596$852 USD
F-GVVS158,997$1,218 USD
F-GVVS2457,188$763 USD
H-IFL20$1,377 USD
H-II6,912$3,198 USD
H-IIF5,505$4,997 USD
H-ISI113,544$3,036 USD
H-ISI210,142$4,832 USD
H-IVS138,778$1,075 USD
H-IVS223,905$1,516 USD
H-IVVS111,308$2,287 USD
H-IVVS226,759$949 USD
J-KFL12$1,341 USD
J-KI5,207$4,265 USD
J-KIF3,416$5,523 USD
J-KSI112,480$3,198 USD
J-KSI28,536$4,991 USD
J-KVS119,142$2,002 USD
J-KVS214,034$3,299 USD
J-KVVS15,901$5,916 USD
J-KVVS28,787$2,981 USD
L-MFL10$6,637 USD
L-MI1,613$1,661 USD
L-MIF1,029$4,181 USD
L-MSI13,440$3,010 USD
L-MSI23,138$2,931 USD
L-MVS12,746$3,262 USD
L-MVS22,943$3,319 USD
L-MVVS12,715$3,508 USD
L-MVVS22,674$4,090 USD
N+I2,151$825 USD
N+IF537$2,023 USD
N+SI15,712$933 USD
N+SI22,416$1,485 USD
N+VS126,649$767 USD
N+VS213,809$819 USD
N+VVS12,750$1,006 USD
N+VVS217,379$787 USD
N+other2,224$1,644 USD