Lab Grown Marquise Diamond Prices in New Zealand

Last updated: September 2026

By Carat Weight

Price Distribution

LowHigh

ColourFLIFVVS1VVS2VS1VS2SI1SI2I
D-E$2,385$1,899$855$567$583$592$545$918$1,301
F-G$2,084$1,322$728$525$490$525$466$2,652$1,460
H-I-$4,213$1,247$541$621$910$1,359$2,559$1,679
J-K-$1,696$1,485$2,415$1,214$1,401$1,564$1,984$2,089
L-M---$698$440-$2,493$1,229-
N+-$1,740$828$647$620$715$658$560-

By Carat Weight

0.20-0.29
1,403 listings
Avg: $1,658 NZD/ct
0.30-0.49
54,679 listings
Avg: $1,632 NZD/ct
0.50-0.74
74,079 listings
Avg: $1,640 NZD/ct
0.75-0.99
69,292 listings
Avg: $1,742 NZD/ct
1.00-1.24
255,973 listings
Avg: $1,807 NZD/ct
1.25-1.49
92,823 listings
Avg: $1,520 NZD/ct
1.50-1.99
234,632 listings
Avg: $2,075 NZD/ct
2.00-2.49
110,971 listings
Avg: $2,880 NZD/ct
2.50-2.99
90,077 listings
Avg: $2,351 NZD/ct
3.00-3.99
108,409 listings
Avg: $1,897 NZD/ct
4.00-4.99
58,660 listings
Avg: $1,817 NZD/ct
5.00-9.99
37,781 listings
Avg: $1,949 NZD/ct
10.00+
7,753 listings
Avg: $1,277 NZD/ct
unknown
494 listings
Avg: $1,713 NZD/ct

Price by Colour & Clarity

ColourClarityListingsAvg Price/ct
D-EFL44,809$3,974 NZD
D-EI37$2,169 NZD
D-EIF44,947$3,165 NZD
D-ESI12,672$908 NZD
D-ESI2229$1,529 NZD
D-EVS1250,827$971 NZD
D-EVS257,085$986 NZD
D-EVVS1143,816$1,426 NZD
D-EVVS2354,023$944 NZD
F-GFL115$3,473 NZD
F-GI37$2,433 NZD
F-GIF1,334$2,203 NZD
F-GSI11,592$776 NZD
F-GSI2170$4,419 NZD
F-GVS197,545$817 NZD
F-GVS216,834$876 NZD
F-GVVS114,129$1,214 NZD
F-GVVS2123,795$874 NZD
H-II58$2,798 NZD
H-IIF80$7,022 NZD
H-ISI1751$2,265 NZD
H-ISI2153$4,265 NZD
H-IVS14,023$1,035 NZD
H-IVS21,876$1,517 NZD
H-IVVS1643$2,078 NZD
H-IVVS23,362$902 NZD
J-KI68$3,482 NZD
J-KIF21$2,826 NZD
J-KSI1642$2,607 NZD
J-KSI2152$3,306 NZD
J-KVS1201$2,023 NZD
J-KVS2378$2,335 NZD
J-KVVS151$2,475 NZD
J-KVVS2172$4,026 NZD
L-MSI111$4,156 NZD
L-MSI240$2,048 NZD
L-MVS133$734 NZD
L-MVVS211$1,163 NZD
N+IF251$2,900 NZD
N+SI1734$1,097 NZD
N+SI286$934 NZD
N+VS111,769$1,034 NZD
N+VS24,258$1,191 NZD
N+VVS1631$1,381 NZD
N+VVS29,517$1,079 NZD
N+other3,058$2,913 NZD