Natural Cushion Diamond Prices in New Zealand
As of July 2026, there are 453,132 natural cushion diamonds available. Prices range from $943 NZD/ct to $254,000 NZD/ct, with an average of $12,855 NZD/ct.
Last updated: July 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $20K | $16K | $11K | $9,694 | $13K | $12K | $10K | $6,054 | $5,473 |
| F-G | $3,591 | $8,983 | $9,046 | $12K | $12K | $11K | $6,807 | $5,633 | $4,687 |
| H-I | $4,108 | $7,991 | $6,444 | $6,943 | $6,722 | $7,401 | $5,660 | $6,799 | $4,842 |
| J-K | $1,677 | $5,806 | $4,546 | $4,908 | $4,718 | $5,759 | $5,982 | $5,406 | $4,558 |
| L-M | - | $2,094 | $1,914 | $2,888 | $3,039 | $3,103 | $3,708 | $3,654 | $1,880 |
| N+ | $7,251 | $9,619 | $7,209 | $8,914 | $11K | $9,605 | $8,526 | $8,910 | $7,832 |
By Carat Weight
0.20-0.29
4,239 listings
Avg: $10,569 NZD/ct
0.30-0.49
37,415 listings
Avg: $4,321 NZD/ct
0.50-0.74
85,297 listings
Avg: $3,336 NZD/ct
0.75-0.99
43,570 listings
Avg: $3,725 NZD/ct
1.00-1.24
113,261 listings
Avg: $4,871 NZD/ct
1.25-1.49
10,780 listings
Avg: $6,099 NZD/ct
1.50-1.99
76,009 listings
Avg: $6,876 NZD/ct
2.00-2.49
45,968 listings
Avg: $9,950 NZD/ct
2.50-2.99
11,000 listings
Avg: $14,568 NZD/ct
3.00-3.99
15,760 listings
Avg: $17,794 NZD/ct
4.00-4.99
3,627 listings
Avg: $26,550 NZD/ct
5.00-9.99
4,692 listings
Avg: $30,750 NZD/ct
10.00+
508 listings
Avg: $50,219 NZD/ct
unknown
1,006 listings
Avg: $22,181 NZD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 261 | $33,783 NZD |
| D-E | I | 873 | $9,122 NZD |
| D-E | IF | 3,238 | $26,834 NZD |
| D-E | SI1 | 15,891 | $16,992 NZD |
| D-E | SI2 | 8,278 | $10,090 NZD |
| D-E | VS1 | 24,152 | $20,993 NZD |
| D-E | VS2 | 21,165 | $20,100 NZD |
| D-E | VVS1 | 13,637 | $18,864 NZD |
| D-E | VVS2 | 16,164 | $16,157 NZD |
| F-G | FL | 46 | $5,985 NZD |
| F-G | I | 1,121 | $7,811 NZD |
| F-G | IF | 4,217 | $14,971 NZD |
| F-G | SI1 | 18,381 | $11,345 NZD |
| F-G | SI2 | 10,143 | $9,388 NZD |
| F-G | VS1 | 29,729 | $19,276 NZD |
| F-G | VS2 | 28,180 | $19,138 NZD |
| F-G | VVS1 | 16,972 | $15,077 NZD |
| F-G | VVS2 | 19,707 | $19,405 NZD |
| H-I | FL | 51 | $6,846 NZD |
| H-I | I | 1,261 | $8,071 NZD |
| H-I | IF | 3,505 | $13,318 NZD |
| H-I | SI1 | 19,224 | $9,434 NZD |
| H-I | SI2 | 10,916 | $11,331 NZD |
| H-I | VS1 | 27,148 | $11,204 NZD |
| H-I | VS2 | 25,710 | $12,335 NZD |
| H-I | VVS1 | 14,169 | $10,741 NZD |
| H-I | VVS2 | 18,175 | $11,572 NZD |
| J-K | FL | 23 | $2,795 NZD |
| J-K | I | 692 | $7,597 NZD |
| J-K | IF | 1,174 | $9,677 NZD |
| J-K | SI1 | 10,284 | $9,969 NZD |
| J-K | SI2 | 5,925 | $9,010 NZD |
| J-K | VS1 | 10,934 | $7,863 NZD |
| J-K | VS2 | 10,315 | $9,598 NZD |
| J-K | VVS1 | 5,562 | $7,576 NZD |
| J-K | VVS2 | 6,611 | $8,180 NZD |
| L-M | I | 123 | $3,133 NZD |
| L-M | IF | 163 | $3,490 NZD |
| L-M | SI1 | 1,430 | $6,180 NZD |
| L-M | SI2 | 795 | $6,089 NZD |
| L-M | VS1 | 1,198 | $5,065 NZD |
| L-M | VS2 | 1,456 | $5,172 NZD |
| L-M | VVS1 | 550 | $3,190 NZD |
| L-M | VVS2 | 935 | $4,813 NZD |
| N+ | FL | 142 | $12,085 NZD |
| N+ | I | 1,984 | $13,053 NZD |
| N+ | IF | 1,450 | $16,031 NZD |
| N+ | SI1 | 7,167 | $14,209 NZD |
| N+ | SI2 | 4,714 | $14,851 NZD |
| N+ | VS1 | 8,642 | $18,649 NZD |
| N+ | VS2 | 8,979 | $16,008 NZD |
| N+ | VVS1 | 3,556 | $12,015 NZD |
| N+ | VVS2 | 5,003 | $14,857 NZD |
| N+ | other | 1,011 | $22,755 NZD |