Lab Grown Round Diamond Prices in United States

Last updated: September 2026

By Carat Weight

Price Distribution

LowHigh

ColorFLIFVVS1VVS2VS1VS2SI1SI2I
D-E$2,367$1,653$837$552$524$536$551$2,172$3,726
F-G$1,587$1,761$1,361$832$818$922$995$2,048$3,359
H-I$1,377$3,949$1,457$1,003$1,203$1,663$1,966$3,656$2,454
J-K$1,341$5,556$4,756$2,024$1,130$1,969$2,693$3,453$2,403
L-M$6,292$4,013$3,329$3,829$2,878$3,014$2,593$2,771$1,570
N+$1,698$1,931$794$581$575$665$828$1,046$609

By Carat Weight

0.20-0.29
69,303 listings
Avg: $1,014 USD/ct
0.30-0.49
521,883 listings
Avg: $1,347 USD/ct
0.50-0.74
613,213 listings
Avg: $1,457 USD/ct
0.75-0.99
260,810 listings
Avg: $1,526 USD/ct
1.00-1.24
1,629,402 listings
Avg: $1,312 USD/ct
1.25-1.49
339,957 listings
Avg: $1,166 USD/ct
1.50-1.99
1,331,685 listings
Avg: $1,583 USD/ct
2.00-2.49
945,650 listings
Avg: $2,139 USD/ct
2.50-2.99
488,657 listings
Avg: $2,347 USD/ct
3.00-3.99
532,152 listings
Avg: $2,554 USD/ct
4.00-4.99
255,731 listings
Avg: $3,440 USD/ct
5.00-9.99
246,748 listings
Avg: $3,233 USD/ct
10.00+
21,499 listings
Avg: $2,327 USD/ct
unknown
10,996 listings
Avg: $1,559 USD/ct

Price by Color & Clarity

ColorClarityListingsAvg Price/ct
D-EFL110,853$2,367 USD
D-EI1,307$3,726 USD
D-EIF200,969$1,653 USD
D-ESI158,354$551 USD
D-ESI213,728$2,172 USD
D-EVS11,583,822$524 USD
D-EVS2423,074$536 USD
D-EVVS1860,594$837 USD
D-EVVS22,367,344$552 USD
F-GFL1,046$1,587 USD
F-GI2,017$3,359 USD
F-GIF16,623$1,761 USD
F-GSI128,927$995 USD
F-GSI211,942$2,048 USD
F-GVS1434,814$818 USD
F-GVS2127,266$922 USD
F-GVVS1104,376$1,361 USD
F-GVVS2574,606$832 USD
H-IFL20$1,377 USD
H-II2,048$2,454 USD
H-IIF2,992$3,949 USD
H-ISI117,904$1,966 USD
H-ISI210,638$3,656 USD
H-IVS152,095$1,203 USD
H-IVS236,399$1,663 USD
H-IVVS113,052$1,457 USD
H-IVVS234,979$1,003 USD
J-KFL12$1,341 USD
J-KI1,869$2,403 USD
J-KIF1,142$5,556 USD
J-KSI110,548$2,693 USD
J-KSI24,934$3,453 USD
J-KVS120,738$1,130 USD
J-KVS213,417$1,969 USD
J-KVVS13,120$4,756 USD
J-KVVS26,438$2,024 USD
L-MFL10$6,292 USD
L-MI209$1,570 USD
L-MIF322$4,013 USD
L-MSI1763$2,593 USD
L-MSI2535$2,771 USD
L-MVS1851$2,878 USD
L-MVS2971$3,014 USD
L-MVVS1755$3,329 USD
L-MVVS2909$3,829 USD
N+FL25$1,698 USD
N+I1,147$609 USD
N+IF698$1,931 USD
N+SI17,332$828 USD
N+SI22,611$1,046 USD
N+VS139,119$575 USD
N+VS217,968$665 USD
N+VVS14,047$794 USD
N+VVS226,107$581 USD
N+other9,300$1,657 USD