Lab Grown Cushion Diamond Prices in New Zealand
Last updated: September 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $2,486 | $2,322 | $826 | $757 | $555 | $550 | $447 | $656 | $2,388 |
| F-G | $2,137 | $1,323 | $730 | $544 | $487 | $505 | $482 | $949 | $1,434 |
| H-I | - | $2,072 | $1,252 | $712 | $782 | $920 | $1,364 | $2,363 | $2,198 |
| J-K | - | $1,340 | $1,912 | $991 | $1,062 | $1,295 | $1,425 | $3,802 | $4,059 |
| L-M | - | - | - | $692 | $560 | $776 | $1,343 | - | - |
| N+ | - | $1,600 | $781 | $672 | $621 | $753 | $882 | $854 | $325 |
By Carat Weight
0.20-0.29
447 listings
Avg: $2,466 NZD/ct
0.30-0.49
12,061 listings
Avg: $2,131 NZD/ct
0.50-0.74
36,785 listings
Avg: $1,786 NZD/ct
0.75-0.99
41,925 listings
Avg: $1,668 NZD/ct
1.00-1.24
153,566 listings
Avg: $1,736 NZD/ct
1.25-1.49
38,081 listings
Avg: $1,444 NZD/ct
1.50-1.99
187,213 listings
Avg: $1,881 NZD/ct
2.00-2.49
244,437 listings
Avg: $1,834 NZD/ct
2.50-2.99
156,306 listings
Avg: $2,039 NZD/ct
3.00-3.99
242,308 listings
Avg: $1,851 NZD/ct
4.00-4.99
105,555 listings
Avg: $2,095 NZD/ct
5.00-9.99
100,194 listings
Avg: $2,548 NZD/ct
10.00+
14,034 listings
Avg: $2,880 NZD/ct
unknown
31 listings
Avg: $3,471 NZD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 32,419 | $4,270 NZD |
| D-E | I | 34 | $4,102 NZD |
| D-E | IF | 36,736 | $3,989 NZD |
| D-E | SI1 | 6,228 | $768 NZD |
| D-E | SI2 | 667 | $1,127 NZD |
| D-E | VS1 | 292,807 | $954 NZD |
| D-E | VS2 | 57,280 | $944 NZD |
| D-E | VVS1 | 127,230 | $1,418 NZD |
| D-E | VVS2 | 372,962 | $1,300 NZD |
| F-G | FL | 233 | $3,671 NZD |
| F-G | I | 73 | $2,463 NZD |
| F-G | IF | 1,755 | $2,273 NZD |
| F-G | SI1 | 3,781 | $828 NZD |
| F-G | SI2 | 439 | $1,631 NZD |
| F-G | VS1 | 119,931 | $837 NZD |
| F-G | VS2 | 29,006 | $867 NZD |
| F-G | VVS1 | 12,202 | $1,255 NZD |
| F-G | VVS2 | 108,952 | $935 NZD |
| H-I | I | 35 | $3,776 NZD |
| H-I | IF | 85 | $3,559 NZD |
| H-I | SI1 | 1,177 | $2,343 NZD |
| H-I | SI2 | 357 | $4,060 NZD |
| H-I | VS1 | 10,087 | $1,344 NZD |
| H-I | VS2 | 3,804 | $1,580 NZD |
| H-I | VVS1 | 785 | $2,150 NZD |
| H-I | VVS2 | 5,044 | $1,222 NZD |
| J-K | I | 140 | $6,972 NZD |
| J-K | IF | 35 | $2,301 NZD |
| J-K | SI1 | 1,303 | $2,449 NZD |
| J-K | SI2 | 266 | $6,532 NZD |
| J-K | VS1 | 939 | $1,825 NZD |
| J-K | VS2 | 946 | $2,225 NZD |
| J-K | VVS1 | 112 | $3,285 NZD |
| J-K | VVS2 | 441 | $1,702 NZD |
| L-M | SI1 | 27 | $2,307 NZD |
| L-M | VS1 | 211 | $962 NZD |
| L-M | VS2 | 38 | $1,333 NZD |
| L-M | VVS2 | 95 | $1,189 NZD |
| N+ | I | 38 | $558 NZD |
| N+ | IF | 428 | $2,749 NZD |
| N+ | SI1 | 3,086 | $1,516 NZD |
| N+ | SI2 | 564 | $1,467 NZD |
| N+ | VS1 | 45,468 | $1,066 NZD |
| N+ | VS2 | 17,238 | $1,293 NZD |
| N+ | VVS1 | 2,498 | $1,342 NZD |
| N+ | VVS2 | 26,790 | $1,154 NZD |
| N+ | other | 8,171 | $3,102 NZD |