Natural Heart Diamond Prices in New Zealand
Last updated: November 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $4,677 | $5,154 | $6,610 | $6,294 | $5,864 | $5,437 | $4,357 | $3,485 | $3,096 |
| F-G | $2,822 | $4,954 | $5,705 | $5,769 | $6,635 | $5,901 | $4,614 | $3,317 | $2,634 |
| H-I | $2,092 | $3,303 | $3,109 | $4,249 | $4,363 | $3,980 | $3,655 | $2,745 | $2,246 |
| J-K | - | $2,590 | $2,604 | $2,374 | $2,912 | $2,898 | $2,726 | $2,398 | $2,197 |
| L-M | - | $1,843 | $1,754 | $1,846 | $1,756 | $1,592 | $1,845 | $2,214 | - |
| N+ | - | $5,711 | $24K | $2,755 | $3,971 | $10K | $8,671 | $7,807 | $6,346 |
By Carat Weight
0.20-0.29
5,620 listings
Avg: $19,334 NZD/ct
0.30-0.49
42,353 listings
Avg: $4,585 NZD/ct
0.50-0.74
114,671 listings
Avg: $3,655 NZD/ct
0.75-0.99
65,412 listings
Avg: $3,727 NZD/ct
1.00-1.24
129,460 listings
Avg: $5,081 NZD/ct
1.25-1.49
10,436 listings
Avg: $6,243 NZD/ct
1.50-1.99
63,720 listings
Avg: $7,218 NZD/ct
2.00-2.49
28,118 listings
Avg: $10,859 NZD/ct
2.50-2.99
3,911 listings
Avg: $13,663 NZD/ct
3.00-3.99
6,780 listings
Avg: $15,475 NZD/ct
4.00-4.99
443 listings
Avg: $12,781 NZD/ct
5.00-9.99
670 listings
Avg: $12,013 NZD/ct
10.00+
164 listings
Avg: $19,339 NZD/ct
unknown
471 listings
Avg: $27,127 NZD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 67 | $8,316 NZD |
| D-E | I | 982 | $5,505 NZD |
| D-E | IF | 4,101 | $9,163 NZD |
| D-E | SI1 | 21,511 | $7,747 NZD |
| D-E | SI2 | 11,164 | $6,196 NZD |
| D-E | VS1 | 27,446 | $10,426 NZD |
| D-E | VS2 | 26,654 | $9,666 NZD |
| D-E | VVS1 | 13,481 | $11,752 NZD |
| D-E | VVS2 | 19,658 | $11,191 NZD |
| F-G | FL | 52 | $5,018 NZD |
| F-G | I | 1,952 | $4,683 NZD |
| F-G | IF | 5,378 | $8,809 NZD |
| F-G | SI1 | 25,732 | $8,205 NZD |
| F-G | SI2 | 20,710 | $5,897 NZD |
| F-G | VS1 | 29,724 | $11,797 NZD |
| F-G | VS2 | 29,860 | $10,491 NZD |
| F-G | VVS1 | 13,565 | $10,143 NZD |
| F-G | VVS2 | 18,869 | $10,257 NZD |
| H-I | FL | 12 | $3,719 NZD |
| H-I | I | 1,585 | $3,994 NZD |
| H-I | IF | 5,352 | $5,872 NZD |
| H-I | SI1 | 23,130 | $6,499 NZD |
| H-I | SI2 | 19,323 | $4,880 NZD |
| H-I | VS1 | 24,708 | $7,758 NZD |
| H-I | VS2 | 23,507 | $7,077 NZD |
| H-I | VVS1 | 13,200 | $5,529 NZD |
| H-I | VVS2 | 16,077 | $7,555 NZD |
| J-K | I | 340 | $3,907 NZD |
| J-K | IF | 1,363 | $4,605 NZD |
| J-K | SI1 | 7,916 | $4,847 NZD |
| J-K | SI2 | 5,560 | $4,264 NZD |
| J-K | VS1 | 5,957 | $5,178 NZD |
| J-K | VS2 | 7,154 | $5,153 NZD |
| J-K | VVS1 | 4,820 | $4,630 NZD |
| J-K | VVS2 | 5,044 | $4,222 NZD |
| L-M | IF | 20 | $3,276 NZD |
| L-M | SI1 | 583 | $3,280 NZD |
| L-M | SI2 | 49 | $3,936 NZD |
| L-M | VS1 | 371 | $3,121 NZD |
| L-M | VS2 | 456 | $2,831 NZD |
| L-M | VVS1 | 183 | $3,119 NZD |
| L-M | VVS2 | 273 | $3,283 NZD |
| N+ | I | 2,369 | $11,283 NZD |
| N+ | IF | 629 | $10,154 NZD |
| N+ | SI1 | 6,266 | $15,417 NZD |
| N+ | SI2 | 4,206 | $13,881 NZD |
| N+ | VS1 | 6,111 | $7,060 NZD |
| N+ | VS2 | 9,123 | $18,637 NZD |
| N+ | VVS1 | 1,537 | $41,959 NZD |
| N+ | VVS2 | 3,874 | $4,898 NZD |
| N+ | other | 225 | $31,639 NZD |