Lab Grown Cushion Diamond Prices in New Zealand
As of July 2026, there are 1,156,988 lab grown cushion diamonds available. Prices range from $142 NZD/ct to $45,142 NZD/ct, with an average of $2,124 NZD/ct.
Last updated: July 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $3,132 | $2,458 | $887 | $771 | $620 | $632 | $474 | $791 | $2,820 |
| F-G | $2,608 | $1,314 | $850 | $651 | $590 | $575 | $589 | $1,049 | $2,499 |
| H-I | - | $1,970 | $1,144 | $875 | $863 | $1,035 | $1,359 | $2,603 | $2,839 |
| J-K | - | $1,378 | $1,982 | $1,009 | $1,083 | $1,428 | $2,139 | $3,974 | $4,771 |
| L-M | - | - | - | $830 | $608 | $1,261 | $1,345 | - | - |
| N+ | - | $1,706 | $901 | $778 | $704 | $839 | $923 | $874 | $281 |
By Carat Weight
0.20-0.29
559 listings
Avg: $2,486 NZD/ct
0.30-0.49
13,882 listings
Avg: $2,134 NZD/ct
0.50-0.74
37,562 listings
Avg: $1,886 NZD/ct
0.75-0.99
41,366 listings
Avg: $1,804 NZD/ct
1.00-1.24
136,721 listings
Avg: $1,944 NZD/ct
1.25-1.49
40,751 listings
Avg: $1,580 NZD/ct
1.50-1.99
174,579 listings
Avg: $2,067 NZD/ct
2.00-2.49
199,932 listings
Avg: $2,130 NZD/ct
2.50-2.99
126,382 listings
Avg: $2,310 NZD/ct
3.00-3.99
203,991 listings
Avg: $2,001 NZD/ct
4.00-4.99
80,706 listings
Avg: $2,086 NZD/ct
5.00-9.99
86,737 listings
Avg: $2,767 NZD/ct
10.00+
13,678 listings
Avg: $3,015 NZD/ct
unknown
142 listings
Avg: $2,791 NZD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 23,379 | $5,221 NZD |
| D-E | I | 23 | $4,700 NZD |
| D-E | IF | 30,953 | $4,097 NZD |
| D-E | SI1 | 4,880 | $790 NZD |
| D-E | SI2 | 549 | $1,319 NZD |
| D-E | VS1 | 251,895 | $1,033 NZD |
| D-E | VS2 | 47,534 | $1,053 NZD |
| D-E | VVS1 | 114,968 | $1,478 NZD |
| D-E | VVS2 | 333,702 | $1,285 NZD |
| F-G | FL | 137 | $4,347 NZD |
| F-G | I | 31 | $4,165 NZD |
| F-G | IF | 1,459 | $2,190 NZD |
| F-G | SI1 | 2,956 | $982 NZD |
| F-G | SI2 | 309 | $1,749 NZD |
| F-G | VS1 | 97,626 | $984 NZD |
| F-G | VS2 | 24,864 | $959 NZD |
| F-G | VVS1 | 9,553 | $1,417 NZD |
| F-G | VVS2 | 91,477 | $1,085 NZD |
| H-I | I | 21 | $4,732 NZD |
| H-I | IF | 81 | $3,283 NZD |
| H-I | SI1 | 1,031 | $2,265 NZD |
| H-I | SI2 | 324 | $4,338 NZD |
| H-I | VS1 | 7,363 | $1,438 NZD |
| H-I | VS2 | 2,675 | $1,726 NZD |
| H-I | VVS1 | 382 | $1,906 NZD |
| H-I | VVS2 | 3,348 | $1,458 NZD |
| J-K | I | 106 | $7,952 NZD |
| J-K | IF | 28 | $2,296 NZD |
| J-K | SI1 | 1,064 | $3,565 NZD |
| J-K | SI2 | 263 | $6,624 NZD |
| J-K | VS1 | 873 | $1,805 NZD |
| J-K | VS2 | 1,073 | $2,381 NZD |
| J-K | VVS1 | 95 | $3,303 NZD |
| J-K | VVS2 | 394 | $1,682 NZD |
| L-M | SI1 | 26 | $2,242 NZD |
| L-M | VS1 | 120 | $1,013 NZD |
| L-M | VS2 | 13 | $2,102 NZD |
| L-M | VVS2 | 73 | $1,383 NZD |
| N+ | I | 24 | $469 NZD |
| N+ | IF | 480 | $2,843 NZD |
| N+ | SI1 | 3,161 | $1,538 NZD |
| N+ | SI2 | 612 | $1,456 NZD |
| N+ | VS1 | 46,128 | $1,174 NZD |
| N+ | VS2 | 17,470 | $1,398 NZD |
| N+ | VVS1 | 2,414 | $1,502 NZD |
| N+ | VVS2 | 26,675 | $1,296 NZD |
| N+ | other | 4,376 | $3,042 NZD |