Lab Grown Radiant Diamond Prices in United States

As of June 2026, there are 1,158,572 lab grown radiant diamonds available. Prices range from $181 USD/ct to $21,000 USD/ct, with an average of $1,350 USD/ct.

Last updated: June 2026

By Carat Weight

Price Distribution

LowHigh

ColorFLIFVVS1VVS2VS1VS2SI1SI2I
D-E$2,971$1,553$984$578$582$569$442$1,042$1,322
F-G$4,726$1,285$746$651$499$525$490$807$838
H-I-$1,598$825$544$499$686$1,260$5,254$4,142
J-K-$1,919$2,450$970$1,031$2,661$3,398$4,129$6,389
L-M--$902-$846$535---
N+-$1,735$965$798$767$749$864$1,250$1,728

By Carat Weight

0.20-0.29
573 listings
Avg: $1,188 USD/ct
0.30-0.49
11,070 listings
Avg: $1,302 USD/ct
0.50-0.74
36,490 listings
Avg: $1,159 USD/ct
0.75-0.99
40,613 listings
Avg: $1,139 USD/ct
1.00-1.24
145,853 listings
Avg: $1,130 USD/ct
1.25-1.49
39,683 listings
Avg: $896 USD/ct
1.50-1.99
176,201 listings
Avg: $1,183 USD/ct
2.00-2.49
129,990 listings
Avg: $1,275 USD/ct
2.50-2.99
95,814 listings
Avg: $1,328 USD/ct
3.00-3.99
255,371 listings
Avg: $1,670 USD/ct
4.00-4.99
147,000 listings
Avg: $1,905 USD/ct
5.00-9.99
64,294 listings
Avg: $2,565 USD/ct
10.00+
15,562 listings
Avg: $710 USD/ct
unknown
58 listings
Avg: $780 USD/ct

Price by Color & Clarity

ColorClarityListingsAvg Price/ct
D-EFL10,032$2,971 USD
D-EI10$1,322 USD
D-EIF40,923$1,553 USD
D-ESI17,050$442 USD
D-ESI2365$1,042 USD
D-EVS1265,346$582 USD
D-EVS253,407$569 USD
D-EVVS196,667$984 USD
D-EVVS2342,714$578 USD
F-GFL21$4,726 USD
F-GI21$838 USD
F-GIF2,065$1,285 USD
F-GSI14,689$490 USD
F-GSI2322$807 USD
F-GVS1114,378$499 USD
F-GVS230,397$525 USD
F-GVVS19,151$746 USD
F-GVVS2106,685$651 USD
F-Gother10$339 USD
H-II41$4,142 USD
H-IIF141$1,598 USD
H-ISI11,001$1,260 USD
H-ISI2267$5,254 USD
H-IVS110,541$499 USD
H-IVS23,659$686 USD
H-IVVS1427$825 USD
H-IVVS26,153$544 USD
J-KI194$6,389 USD
J-KIF21$1,919 USD
J-KSI1752$3,398 USD
J-KSI2247$4,129 USD
J-KVS1397$1,031 USD
J-KVS2570$2,661 USD
J-KVVS146$2,450 USD
J-KVVS2198$970 USD
L-MVS110$846 USD
L-MVS210$535 USD
L-MVVS112$902 USD
N+I11$1,728 USD
N+IF392$1,735 USD
N+SI11,766$864 USD
N+SI2285$1,250 USD
N+VS121,571$767 USD
N+VS29,001$749 USD
N+VVS1891$965 USD
N+VVS212,978$798 USD
N+other2,737$1,643 USD