Lab Grown Heart Diamond Prices in New Zealand

Last updated: November 2026

By Carat Weight

Price Distribution

LowHigh

ColourFLIFVVS1VVS2VS1VS2SI1SI2I
D-E$1,156$1,066$652$531$547$430$362$329$313
F-G$1,095$928$547$446$441$465$479$613-
H-I-$414$516$427$493$675$795$1,649$712
J-K---$444$373$835$828--
L-M----$496----
N+$1,066$1,266$515$457$444$472$456$395$285

By Carat Weight

0.20-0.29
1,151 listings
Avg: $1,222 NZD/ct
0.30-0.49
12,467 listings
Avg: $1,059 NZD/ct
0.50-0.74
37,047 listings
Avg: $1,077 NZD/ct
0.75-0.99
37,668 listings
Avg: $957 NZD/ct
1.00-1.24
205,026 listings
Avg: $989 NZD/ct
1.25-1.49
37,956 listings
Avg: $1,041 NZD/ct
1.50-1.99
166,471 listings
Avg: $1,061 NZD/ct
2.00-2.49
129,712 listings
Avg: $1,239 NZD/ct
2.50-2.99
56,096 listings
Avg: $1,096 NZD/ct
3.00-3.99
71,792 listings
Avg: $1,020 NZD/ct
4.00-4.99
33,889 listings
Avg: $1,200 NZD/ct
5.00-9.99
70,857 listings
Avg: $1,242 NZD/ct
10.00+
12,915 listings
Avg: $1,078 NZD/ct
unknown
122 listings
Avg: $1,964 NZD/ct

Price by Colour & Clarity

ColourClarityListingsAvg Price/ct
D-EFL12,579$2,055 NZD
D-EI12$557 NZD
D-EIF22,206$1,894 NZD
D-ESI13,126$643 NZD
D-ESI2329$584 NZD
D-EVS1192,194$973 NZD
D-EVS234,234$765 NZD
D-EVVS184,437$1,159 NZD
D-EVVS2259,615$944 NZD
F-GFL178$1,948 NZD
F-GIF719$1,651 NZD
F-GSI11,746$852 NZD
F-GSI2125$1,090 NZD
F-GVS146,866$785 NZD
F-GVS211,586$826 NZD
F-GVVS18,635$972 NZD
F-GVVS252,950$792 NZD
H-II18$1,265 NZD
H-IIF18$737 NZD
H-ISI1440$1,414 NZD
H-ISI2140$2,932 NZD
H-IVS12,946$877 NZD
H-IVS2745$1,200 NZD
H-IVVS1231$917 NZD
H-IVVS21,754$759 NZD
J-KSI142$1,472 NZD
J-KVS111$663 NZD
J-KVS291$1,484 NZD
J-KVVS2201$789 NZD
L-MVS190$881 NZD
N+FL18$1,895 NZD
N+I224$507 NZD
N+IF136$2,251 NZD
N+SI14,920$810 NZD
N+SI21,236$703 NZD
N+VS162,617$790 NZD
N+VS224,573$839 NZD
N+VVS12,340$916 NZD
N+VVS234,774$813 NZD
N+other4,067$2,790 NZD