Lab Grown Marquise Diamond Prices in United States

Last updated: October 2026

By Carat Weight

Price Distribution

LowHigh

ColorFLIFVVS1VVS2VS1VS2SI1SI2I
D-E$2,069$1,504$748$543$519$527$514$368$805
F-G$1,301$1,087$612$512$496$516$445$493$1,210
H-I-$1,100$1,137$613$639$716$690$931$1,255
J-K---$589$712$1,026$1,093$992-
L-M--$724$547$528----
N+-$1,712$590$503$523$566$541$510$241

By Carat Weight

0.20-0.29
3,815 listings
Avg: $669 USD/ct
0.30-0.49
63,532 listings
Avg: $796 USD/ct
0.50-0.74
73,590 listings
Avg: $718 USD/ct
0.75-0.99
78,071 listings
Avg: $661 USD/ct
1.00-1.24
340,820 listings
Avg: $642 USD/ct
1.25-1.49
81,581 listings
Avg: $583 USD/ct
1.50-1.99
292,957 listings
Avg: $783 USD/ct
2.00-2.49
331,265 listings
Avg: $681 USD/ct
2.50-2.99
149,618 listings
Avg: $753 USD/ct
3.00-3.99
247,190 listings
Avg: $794 USD/ct
4.00-4.99
98,301 listings
Avg: $929 USD/ct
5.00-9.99
109,323 listings
Avg: $1,026 USD/ct
10.00+
14,069 listings
Avg: $585 USD/ct
unknown
825 listings
Avg: $940 USD/ct

Price by Color & Clarity

ColorClarityListingsAvg Price/ct
D-EFL65,504$2,069 USD
D-EI45$805 USD
D-EIF79,544$1,504 USD
D-ESI14,590$514 USD
D-ESI2294$368 USD
D-EVS1340,971$519 USD
D-EVS278,428$527 USD
D-EVVS1269,499$748 USD
D-EVVS2531,911$543 USD
F-GFL122$1,301 USD
F-GI19$1,210 USD
F-GIF2,290$1,087 USD
F-GSI12,788$445 USD
F-GSI2165$493 USD
F-GVS1143,460$496 USD
F-GVS232,873$516 USD
F-GVVS126,788$612 USD
F-GVVS2186,416$512 USD
H-II12$1,255 USD
H-IIF50$1,100 USD
H-ISI1784$690 USD
H-ISI2101$931 USD
H-IVS16,216$639 USD
H-IVS22,610$716 USD
H-IVVS1670$1,137 USD
H-IVVS24,933$613 USD
J-KSI142$1,093 USD
J-KSI210$992 USD
J-KVS1157$712 USD
J-KVS223$1,026 USD
J-KVVS297$589 USD
L-MVS1117$528 USD
L-MVVS111$724 USD
L-MVVS2157$547 USD
N+I169$241 USD
N+IF406$1,712 USD
N+SI12,808$541 USD
N+SI2464$510 USD
N+VS144,428$523 USD
N+VS216,407$566 USD
N+VVS12,082$590 USD
N+VVS233,159$503 USD
N+other3,337$1,733 USD