Lab Grown Radiant Diamond Prices in New Zealand
As of July 2026, there are 1,137,817 lab grown radiant diamonds available. Prices range from $191 NZD/ct to $35,000 NZD/ct, with an average of $1,971 NZD/ct.
Last updated: July 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $1,631 | $1,291 | $854 | $649 | $656 | $589 | $490 | $1,038 | $738 |
| F-G | $1,679 | $1,050 | $697 | $697 | $538 | $576 | $612 | $716 | $1,000 |
| H-I | - | $1,319 | $801 | $613 | $585 | $782 | $1,219 | $5,081 | $3,156 |
| J-K | - | $1,925 | $1,919 | $842 | $1,627 | $1,420 | $2,904 | $3,446 | $4,128 |
| L-M | - | - | $902 | $489 | $846 | $535 | - | - | - |
| N+ | $1,687 | $1,749 | $888 | $786 | $729 | $705 | $690 | $878 | $1,728 |
By Carat Weight
0.20-0.29
730 listings
Avg: $1,955 NZD/ct
0.30-0.49
13,027 listings
Avg: $2,023 NZD/ct
0.50-0.74
45,539 listings
Avg: $1,657 NZD/ct
0.75-0.99
37,259 listings
Avg: $1,583 NZD/ct
1.00-1.24
159,227 listings
Avg: $1,652 NZD/ct
1.25-1.49
41,864 listings
Avg: $1,468 NZD/ct
1.50-1.99
186,928 listings
Avg: $1,673 NZD/ct
2.00-2.49
152,981 listings
Avg: $1,952 NZD/ct
2.50-2.99
81,979 listings
Avg: $2,198 NZD/ct
3.00-3.99
199,693 listings
Avg: $2,378 NZD/ct
4.00-4.99
109,790 listings
Avg: $2,553 NZD/ct
5.00-9.99
93,129 listings
Avg: $3,200 NZD/ct
10.00+
15,594 listings
Avg: $1,274 NZD/ct
unknown
77 listings
Avg: $1,995 NZD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 20,364 | $2,719 NZD |
| D-E | I | 10 | $1,231 NZD |
| D-E | IF | 51,530 | $2,151 NZD |
| D-E | SI1 | 4,160 | $817 NZD |
| D-E | SI2 | 303 | $1,731 NZD |
| D-E | VS1 | 233,224 | $1,094 NZD |
| D-E | VS2 | 41,814 | $981 NZD |
| D-E | VVS1 | 118,338 | $1,424 NZD |
| D-E | VVS2 | 316,938 | $1,082 NZD |
| F-G | FL | 105 | $2,798 NZD |
| F-G | I | 20 | $1,666 NZD |
| F-G | IF | 2,591 | $1,750 NZD |
| F-G | SI1 | 3,640 | $1,020 NZD |
| F-G | SI2 | 314 | $1,194 NZD |
| F-G | VS1 | 103,499 | $897 NZD |
| F-G | VS2 | 27,645 | $959 NZD |
| F-G | VVS1 | 10,527 | $1,162 NZD |
| F-G | VVS2 | 94,116 | $1,161 NZD |
| F-G | other | 20 | $798 NZD |
| H-I | I | 34 | $5,259 NZD |
| H-I | IF | 166 | $2,199 NZD |
| H-I | SI1 | 1,054 | $2,032 NZD |
| H-I | SI2 | 213 | $8,468 NZD |
| H-I | VS1 | 9,689 | $975 NZD |
| H-I | VS2 | 3,659 | $1,303 NZD |
| H-I | VVS1 | 382 | $1,335 NZD |
| H-I | VVS2 | 4,925 | $1,021 NZD |
| J-K | I | 134 | $6,880 NZD |
| J-K | IF | 21 | $3,209 NZD |
| J-K | SI1 | 866 | $4,840 NZD |
| J-K | SI2 | 211 | $5,743 NZD |
| J-K | VS1 | 437 | $2,712 NZD |
| J-K | VS2 | 781 | $2,367 NZD |
| J-K | VVS1 | 47 | $3,198 NZD |
| J-K | VVS2 | 212 | $1,404 NZD |
| L-M | VS1 | 10 | $1,410 NZD |
| L-M | VS2 | 10 | $891 NZD |
| L-M | VVS1 | 12 | $1,503 NZD |
| L-M | VVS2 | 10 | $814 NZD |
| N+ | FL | 10 | $2,811 NZD |
| N+ | I | 11 | $2,879 NZD |
| N+ | IF | 533 | $2,916 NZD |
| N+ | SI1 | 2,816 | $1,149 NZD |
| N+ | SI2 | 442 | $1,464 NZD |
| N+ | VS1 | 38,380 | $1,214 NZD |
| N+ | VS2 | 15,576 | $1,175 NZD |
| N+ | VVS1 | 1,498 | $1,479 NZD |
| N+ | VVS2 | 22,836 | $1,310 NZD |
| N+ | other | 3,684 | $2,801 NZD |