Natural Cushion Diamond Prices in New Zealand
As of August 2026, there are 468,826 natural cushion diamonds available. Prices range from $943 NZD/ct to $254,000 NZD/ct, with an average of $12,843 NZD/ct.
Last updated: August 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $20K | $16K | $11K | $9,695 | $13K | $12K | $10K | $6,039 | $5,389 |
| F-G | $3,591 | $8,962 | $9,079 | $12K | $11K | $11K | $6,788 | $5,611 | $4,650 |
| H-I | $4,108 | $8,058 | $6,449 | $6,946 | $6,701 | $7,385 | $5,670 | $6,784 | $4,775 |
| J-K | $1,677 | $5,796 | $4,539 | $4,904 | $4,706 | $5,760 | $5,956 | $5,371 | $4,523 |
| L-M | - | $2,086 | $1,926 | $2,891 | $3,039 | $3,091 | $3,707 | $3,656 | $1,878 |
| N+ | $7,165 | $9,517 | $7,156 | $8,929 | $11K | $9,627 | $8,529 | $8,925 | $7,858 |
By Carat Weight
0.20-0.29
4,258 listings
Avg: $10,756 NZD/ct
0.30-0.49
38,208 listings
Avg: $4,290 NZD/ct
0.50-0.74
88,821 listings
Avg: $3,321 NZD/ct
0.75-0.99
45,865 listings
Avg: $3,662 NZD/ct
1.00-1.24
118,744 listings
Avg: $4,872 NZD/ct
1.25-1.49
10,947 listings
Avg: $6,073 NZD/ct
1.50-1.99
78,288 listings
Avg: $6,847 NZD/ct
2.00-2.49
46,761 listings
Avg: $9,924 NZD/ct
2.50-2.99
11,076 listings
Avg: $14,566 NZD/ct
3.00-3.99
15,993 listings
Avg: $17,790 NZD/ct
4.00-4.99
3,663 listings
Avg: $26,516 NZD/ct
5.00-9.99
4,685 listings
Avg: $30,761 NZD/ct
10.00+
500 listings
Avg: $50,109 NZD/ct
unknown
1,017 listings
Avg: $22,181 NZD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 261 | $33,786 NZD |
| D-E | I | 1,049 | $8,981 NZD |
| D-E | IF | 3,342 | $26,784 NZD |
| D-E | SI1 | 17,082 | $16,933 NZD |
| D-E | SI2 | 8,650 | $10,065 NZD |
| D-E | VS1 | 25,057 | $21,067 NZD |
| D-E | VS2 | 22,064 | $20,144 NZD |
| D-E | VVS1 | 14,343 | $18,880 NZD |
| D-E | VVS2 | 17,108 | $16,158 NZD |
| F-G | FL | 46 | $5,985 NZD |
| F-G | I | 1,351 | $7,750 NZD |
| F-G | IF | 4,324 | $14,937 NZD |
| F-G | SI1 | 19,270 | $11,314 NZD |
| F-G | SI2 | 10,727 | $9,352 NZD |
| F-G | VS1 | 30,570 | $19,060 NZD |
| F-G | VS2 | 29,268 | $19,125 NZD |
| F-G | VVS1 | 17,764 | $15,131 NZD |
| F-G | VVS2 | 20,267 | $19,444 NZD |
| H-I | FL | 51 | $6,846 NZD |
| H-I | I | 1,493 | $7,958 NZD |
| H-I | IF | 3,512 | $13,429 NZD |
| H-I | SI1 | 19,943 | $9,450 NZD |
| H-I | SI2 | 11,587 | $11,307 NZD |
| H-I | VS1 | 27,774 | $11,168 NZD |
| H-I | VS2 | 26,431 | $12,308 NZD |
| H-I | VVS1 | 14,522 | $10,749 NZD |
| H-I | VVS2 | 18,713 | $11,577 NZD |
| J-K | FL | 23 | $2,795 NZD |
| J-K | I | 812 | $7,538 NZD |
| J-K | IF | 1,179 | $9,660 NZD |
| J-K | SI1 | 10,456 | $9,927 NZD |
| J-K | SI2 | 6,098 | $8,951 NZD |
| J-K | VS1 | 11,117 | $7,844 NZD |
| J-K | VS2 | 10,549 | $9,600 NZD |
| J-K | VVS1 | 5,703 | $7,564 NZD |
| J-K | VVS2 | 6,754 | $8,173 NZD |
| L-M | I | 122 | $3,130 NZD |
| L-M | IF | 160 | $3,476 NZD |
| L-M | SI1 | 1,432 | $6,178 NZD |
| L-M | SI2 | 796 | $6,093 NZD |
| L-M | VS1 | 1,187 | $5,065 NZD |
| L-M | VS2 | 1,450 | $5,151 NZD |
| L-M | VVS1 | 542 | $3,210 NZD |
| L-M | VVS2 | 917 | $4,818 NZD |
| N+ | FL | 143 | $11,942 NZD |
| N+ | I | 1,984 | $13,097 NZD |
| N+ | IF | 1,440 | $15,862 NZD |
| N+ | SI1 | 7,176 | $14,214 NZD |
| N+ | SI2 | 4,716 | $14,875 NZD |
| N+ | VS1 | 8,658 | $18,657 NZD |
| N+ | VS2 | 8,980 | $16,044 NZD |
| N+ | VVS1 | 3,560 | $11,927 NZD |
| N+ | VVS2 | 4,990 | $14,882 NZD |
| N+ | other | 1,313 | $23,021 NZD |