Lab Grown Heart Diamond Prices in New Zealand
As of August 2026, there are 510,165 lab grown heart diamonds available. Prices range from $166 NZD/ct to $55,981 NZD/ct, with an average of $2,124 NZD/ct.
Last updated: August 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $4,104 | $3,025 | $1,101 | $703 | $720 | $702 | $813 | $1,209 | - |
| F-G | $3,926 | $2,068 | $969 | $710 | $714 | $791 | $962 | $1,258 | $2,770 |
| H-I | - | $2,055 | $1,449 | $1,039 | $758 | $1,178 | $1,369 | $2,062 | $1,548 |
| J-K | - | $2,080 | $1,377 | $1,213 | $1,311 | $1,341 | $1,542 | $2,440 | $6,180 |
| L-M | - | - | - | $813 | $533 | $1,542 | $1,083 | - | - |
| N+ | - | $1,308 | $836 | $741 | $737 | $744 | $557 | $558 | - |
By Carat Weight
0.20-0.29
520 listings
Avg: $1,530 NZD/ct
0.30-0.49
6,428 listings
Avg: $2,142 NZD/ct
0.50-0.74
21,215 listings
Avg: $2,233 NZD/ct
0.75-0.99
19,757 listings
Avg: $2,084 NZD/ct
1.00-1.24
88,051 listings
Avg: $2,123 NZD/ct
1.25-1.49
22,089 listings
Avg: $1,568 NZD/ct
1.50-1.99
97,888 listings
Avg: $2,044 NZD/ct
2.00-2.49
74,274 listings
Avg: $1,988 NZD/ct
2.50-2.99
42,802 listings
Avg: $2,317 NZD/ct
3.00-3.99
66,491 listings
Avg: $2,237 NZD/ct
4.00-4.99
29,033 listings
Avg: $1,523 NZD/ct
5.00-9.99
35,828 listings
Avg: $1,939 NZD/ct
10.00+
5,650 listings
Avg: $4,165 NZD/ct
unknown
139 listings
Avg: $1,575 NZD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 3,333 | $6,841 NZD |
| D-E | IF | 15,135 | $5,041 NZD |
| D-E | SI1 | 2,489 | $1,355 NZD |
| D-E | SI2 | 232 | $2,015 NZD |
| D-E | VS1 | 117,949 | $1,199 NZD |
| D-E | VS2 | 24,519 | $1,170 NZD |
| D-E | VVS1 | 49,514 | $1,835 NZD |
| D-E | VVS2 | 158,734 | $1,172 NZD |
| F-G | FL | 39 | $6,543 NZD |
| F-G | I | 21 | $4,616 NZD |
| F-G | IF | 759 | $3,447 NZD |
| F-G | SI1 | 1,639 | $1,603 NZD |
| F-G | SI2 | 330 | $2,097 NZD |
| F-G | VS1 | 36,048 | $1,190 NZD |
| F-G | VS2 | 10,591 | $1,319 NZD |
| F-G | VVS1 | 5,924 | $1,615 NZD |
| F-G | VVS2 | 35,764 | $1,183 NZD |
| H-I | I | 34 | $2,580 NZD |
| H-I | IF | 104 | $3,424 NZD |
| H-I | SI1 | 671 | $2,281 NZD |
| H-I | SI2 | 188 | $3,436 NZD |
| H-I | VS1 | 3,107 | $1,264 NZD |
| H-I | VS2 | 1,038 | $1,964 NZD |
| H-I | VVS1 | 337 | $2,415 NZD |
| H-I | VVS2 | 1,796 | $1,731 NZD |
| J-K | I | 23 | $10,301 NZD |
| J-K | IF | 54 | $3,466 NZD |
| J-K | SI1 | 158 | $2,570 NZD |
| J-K | SI2 | 63 | $4,067 NZD |
| J-K | VS1 | 186 | $2,184 NZD |
| J-K | VS2 | 242 | $2,235 NZD |
| J-K | VVS1 | 62 | $2,295 NZD |
| J-K | VVS2 | 163 | $2,022 NZD |
| L-M | SI1 | 36 | $1,804 NZD |
| L-M | VS1 | 36 | $889 NZD |
| L-M | VS2 | 11 | $2,570 NZD |
| L-M | VVS2 | 10 | $1,354 NZD |
| N+ | IF | 87 | $2,180 NZD |
| N+ | SI1 | 1,328 | $928 NZD |
| N+ | SI2 | 159 | $929 NZD |
| N+ | VS1 | 17,409 | $1,228 NZD |
| N+ | VS2 | 6,650 | $1,239 NZD |
| N+ | VVS1 | 551 | $1,393 NZD |
| N+ | VVS2 | 10,557 | $1,236 NZD |
| N+ | other | 2,085 | $2,848 NZD |