Lab Grown Radiant Diamond Prices in New Zealand
Last updated: October 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $1,288 | $1,005 | $686 | $536 | $499 | $483 | $444 | $492 | $340 |
| F-G | $1,229 | $881 | $608 | $480 | $479 | $497 | $460 | $469 | - |
| H-I | - | $1,120 | $1,004 | $467 | $550 | $688 | $833 | $619 | $168 |
| J-K | - | - | $1,113 | $509 | $1,648 | $1,789 | $921 | $908 | - |
| L-M | - | - | - | $483 | $411 | $328 | $256 | - | - |
| N+ | $1,516 | $1,717 | $647 | $526 | $507 | $531 | $535 | $559 | $691 |
By Carat Weight
0.20-0.29
1,479 listings
Avg: $1,118 NZD/ct
0.30-0.49
25,401 listings
Avg: $1,574 NZD/ct
0.50-0.74
81,288 listings
Avg: $1,406 NZD/ct
0.75-0.99
64,829 listings
Avg: $1,149 NZD/ct
1.00-1.24
278,242 listings
Avg: $1,117 NZD/ct
1.25-1.49
81,002 listings
Avg: $1,135 NZD/ct
1.50-1.99
336,079 listings
Avg: $1,097 NZD/ct
2.00-2.49
316,465 listings
Avg: $1,648 NZD/ct
2.50-2.99
147,523 listings
Avg: $1,742 NZD/ct
3.00-3.99
327,492 listings
Avg: $1,276 NZD/ct
4.00-4.99
188,222 listings
Avg: $1,257 NZD/ct
5.00-9.99
243,463 listings
Avg: $1,439 NZD/ct
10.00+
31,040 listings
Avg: $953 NZD/ct
unknown
33 listings
Avg: $994 NZD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 49,129 | $2,294 NZD |
| D-E | I | 23 | $605 NZD |
| D-E | IF | 102,706 | $1,790 NZD |
| D-E | SI1 | 7,729 | $791 NZD |
| D-E | SI2 | 448 | $877 NZD |
| D-E | VS1 | 395,197 | $889 NZD |
| D-E | VS2 | 83,672 | $861 NZD |
| D-E | VVS1 | 247,683 | $1,221 NZD |
| D-E | VVS2 | 483,183 | $955 NZD |
| F-G | FL | 422 | $2,189 NZD |
| F-G | IF | 5,325 | $1,569 NZD |
| F-G | SI1 | 6,710 | $819 NZD |
| F-G | SI2 | 479 | $836 NZD |
| F-G | VS1 | 186,267 | $854 NZD |
| F-G | VS2 | 48,457 | $886 NZD |
| F-G | VVS1 | 18,482 | $1,083 NZD |
| F-G | VVS2 | 169,168 | $855 NZD |
| H-I | I | 11 | $299 NZD |
| H-I | IF | 310 | $1,996 NZD |
| H-I | SI1 | 1,115 | $1,484 NZD |
| H-I | SI2 | 102 | $1,103 NZD |
| H-I | VS1 | 16,264 | $979 NZD |
| H-I | VS2 | 5,894 | $1,225 NZD |
| H-I | VVS1 | 1,046 | $1,788 NZD |
| H-I | VVS2 | 9,783 | $832 NZD |
| J-K | SI1 | 61 | $1,641 NZD |
| J-K | SI2 | 12 | $1,618 NZD |
| J-K | VS1 | 344 | $2,937 NZD |
| J-K | VS2 | 255 | $3,187 NZD |
| J-K | VVS1 | 12 | $1,982 NZD |
| J-K | VVS2 | 250 | $907 NZD |
| L-M | SI1 | 10 | $456 NZD |
| L-M | VS1 | 18 | $733 NZD |
| L-M | VS2 | 10 | $585 NZD |
| L-M | VVS2 | 60 | $860 NZD |
| N+ | FL | 117 | $2,700 NZD |
| N+ | I | 291 | $1,230 NZD |
| N+ | IF | 1,079 | $3,058 NZD |
| N+ | SI1 | 9,878 | $953 NZD |
| N+ | SI2 | 1,761 | $997 NZD |
| N+ | VS1 | 126,224 | $903 NZD |
| N+ | VS2 | 54,717 | $946 NZD |
| N+ | VVS1 | 5,154 | $1,153 NZD |
| N+ | VVS2 | 74,506 | $937 NZD |
| N+ | other | 8,194 | $2,919 NZD |