Lab Grown Cushion Diamond Prices in New Zealand
As of June 2026, there are 1,017,134 lab grown cushion diamonds available. Prices range from $142 NZD/ct to $47,724 NZD/ct, with an average of $2,369 NZD/ct.
Last updated: June 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $4,185 | $2,807 | $961 | $802 | $611 | $590 | $474 | $763 | $2,820 |
| F-G | $2,266 | $1,491 | $809 | $568 | $541 | $537 | $504 | $1,066 | $2,499 |
| H-I | - | $2,077 | $1,295 | $826 | $780 | $1,038 | $2,074 | $3,608 | $2,230 |
| J-K | - | $1,378 | $2,168 | $1,066 | $1,183 | $1,516 | $2,221 | $4,854 | $6,982 |
| L-M | - | - | - | $1,049 | $456 | $1,261 | $1,345 | - | - |
| N+ | - | $1,569 | $1,043 | $817 | $754 | $862 | $1,057 | $1,259 | $226 |
By Carat Weight
0.20-0.29
454 listings
Avg: $2,549 NZD/ct
0.30-0.49
10,538 listings
Avg: $2,274 NZD/ct
0.50-0.74
29,953 listings
Avg: $2,129 NZD/ct
0.75-0.99
37,732 listings
Avg: $1,908 NZD/ct
1.00-1.24
123,890 listings
Avg: $2,165 NZD/ct
1.25-1.49
35,107 listings
Avg: $1,507 NZD/ct
1.50-1.99
154,687 listings
Avg: $2,305 NZD/ct
2.00-2.49
196,741 listings
Avg: $2,154 NZD/ct
2.50-2.99
122,285 listings
Avg: $2,446 NZD/ct
3.00-3.99
176,899 listings
Avg: $2,259 NZD/ct
4.00-4.99
52,151 listings
Avg: $2,696 NZD/ct
5.00-9.99
66,417 listings
Avg: $3,830 NZD/ct
10.00+
10,241 listings
Avg: $3,093 NZD/ct
unknown
39 listings
Avg: $2,976 NZD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 10,043 | $6,975 NZD |
| D-E | I | 23 | $4,700 NZD |
| D-E | IF | 22,002 | $4,678 NZD |
| D-E | SI1 | 5,237 | $789 NZD |
| D-E | SI2 | 520 | $1,271 NZD |
| D-E | VS1 | 249,398 | $1,018 NZD |
| D-E | VS2 | 51,009 | $984 NZD |
| D-E | VVS1 | 82,626 | $1,602 NZD |
| D-E | VVS2 | 307,903 | $1,337 NZD |
| F-G | FL | 63 | $3,776 NZD |
| F-G | I | 31 | $4,165 NZD |
| F-G | IF | 1,165 | $2,485 NZD |
| F-G | SI1 | 2,951 | $840 NZD |
| F-G | SI2 | 329 | $1,777 NZD |
| F-G | VS1 | 97,390 | $901 NZD |
| F-G | VS2 | 24,749 | $894 NZD |
| F-G | VVS1 | 7,285 | $1,348 NZD |
| F-G | VVS2 | 83,450 | $946 NZD |
| H-I | I | 28 | $3,716 NZD |
| H-I | IF | 79 | $3,461 NZD |
| H-I | SI1 | 872 | $3,456 NZD |
| H-I | SI2 | 266 | $6,013 NZD |
| H-I | VS1 | 5,653 | $1,300 NZD |
| H-I | VS2 | 2,210 | $1,730 NZD |
| H-I | VVS1 | 334 | $2,158 NZD |
| H-I | VVS2 | 3,057 | $1,377 NZD |
| J-K | I | 78 | $11,637 NZD |
| J-K | IF | 28 | $2,296 NZD |
| J-K | SI1 | 820 | $3,701 NZD |
| J-K | SI2 | 227 | $8,090 NZD |
| J-K | VS1 | 714 | $1,972 NZD |
| J-K | VS2 | 853 | $2,527 NZD |
| J-K | VVS1 | 98 | $3,614 NZD |
| J-K | VVS2 | 336 | $1,777 NZD |
| L-M | SI1 | 26 | $2,242 NZD |
| L-M | VS1 | 25 | $760 NZD |
| L-M | VS2 | 13 | $2,102 NZD |
| L-M | VVS2 | 38 | $1,748 NZD |
| N+ | I | 19 | $376 NZD |
| N+ | IF | 332 | $2,615 NZD |
| N+ | SI1 | 1,916 | $1,762 NZD |
| N+ | SI2 | 353 | $2,098 NZD |
| N+ | VS1 | 24,070 | $1,256 NZD |
| N+ | VS2 | 9,743 | $1,437 NZD |
| N+ | VVS1 | 1,412 | $1,738 NZD |
| N+ | VVS2 | 13,893 | $1,362 NZD |
| N+ | other | 3,467 | $3,018 NZD |