Natural Radiant Diamond Prices in New Zealand
Last updated: October 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $6,776 | $6,448 | $7,771 | $8,754 | $9,239 | $8,057 | $6,915 | $5,004 | $3,552 |
| F-G | $3,674 | $4,756 | $7,698 | $8,297 | $8,264 | $7,918 | $6,480 | $4,511 | $4,048 |
| H-I | $2,865 | $4,259 | $5,511 | $6,574 | $6,895 | $5,798 | $5,662 | $4,339 | $3,335 |
| J-K | $1,672 | $2,838 | $3,797 | $3,950 | $4,509 | $4,164 | $3,320 | $3,031 | $2,260 |
| L-M | - | $2,037 | $2,050 | $2,209 | $2,522 | $2,436 | $2,116 | $1,895 | $1,705 |
| N+ | $6,191 | $8,157 | $7,616 | $7,302 | $8,323 | $8,811 | $8,177 | $7,834 | $6,663 |
By Carat Weight
0.20-0.29
1,650 listings
Avg: $9,021 NZD/ct
0.30-0.49
33,217 listings
Avg: $3,747 NZD/ct
0.50-0.74
95,177 listings
Avg: $3,752 NZD/ct
0.75-0.99
37,902 listings
Avg: $4,638 NZD/ct
1.00-1.24
124,681 listings
Avg: $5,715 NZD/ct
1.25-1.49
13,062 listings
Avg: $7,676 NZD/ct
1.50-1.99
63,490 listings
Avg: $8,993 NZD/ct
2.00-2.49
39,550 listings
Avg: $12,337 NZD/ct
2.50-2.99
7,735 listings
Avg: $16,340 NZD/ct
3.00-3.99
13,847 listings
Avg: $19,811 NZD/ct
4.00-4.99
1,716 listings
Avg: $26,243 NZD/ct
5.00-9.99
2,232 listings
Avg: $20,204 NZD/ct
10.00+
462 listings
Avg: $36,280 NZD/ct
unknown
143 listings
Avg: $53,366 NZD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 288 | $12,072 NZD |
| D-E | I | 1,676 | $6,327 NZD |
| D-E | IF | 4,490 | $11,487 NZD |
| D-E | SI1 | 15,119 | $12,319 NZD |
| D-E | SI2 | 9,003 | $8,914 NZD |
| D-E | VS1 | 15,756 | $16,460 NZD |
| D-E | VS2 | 16,542 | $14,354 NZD |
| D-E | VVS1 | 12,707 | $13,845 NZD |
| D-E | VVS2 | 11,448 | $15,596 NZD |
| F-G | FL | 218 | $6,546 NZD |
| F-G | I | 2,408 | $7,212 NZD |
| F-G | IF | 4,592 | $8,473 NZD |
| F-G | SI1 | 17,667 | $11,543 NZD |
| F-G | SI2 | 11,941 | $8,037 NZD |
| F-G | VS1 | 19,472 | $14,722 NZD |
| F-G | VS2 | 20,919 | $14,106 NZD |
| F-G | VVS1 | 13,549 | $13,715 NZD |
| F-G | VVS2 | 13,645 | $14,781 NZD |
| H-I | FL | 224 | $5,103 NZD |
| H-I | I | 2,522 | $5,942 NZD |
| H-I | IF | 3,373 | $7,587 NZD |
| H-I | SI1 | 17,677 | $10,087 NZD |
| H-I | SI2 | 12,485 | $7,730 NZD |
| H-I | VS1 | 18,559 | $12,284 NZD |
| H-I | VS2 | 19,395 | $10,330 NZD |
| H-I | VVS1 | 13,296 | $9,817 NZD |
| H-I | VVS2 | 14,457 | $11,712 NZD |
| J-K | FL | 57 | $2,978 NZD |
| J-K | I | 954 | $4,027 NZD |
| J-K | IF | 1,315 | $5,055 NZD |
| J-K | SI1 | 10,924 | $5,914 NZD |
| J-K | SI2 | 7,449 | $5,399 NZD |
| J-K | VS1 | 8,546 | $8,032 NZD |
| J-K | VS2 | 10,509 | $7,418 NZD |
| J-K | VVS1 | 5,309 | $6,764 NZD |
| J-K | VVS2 | 6,034 | $7,037 NZD |
| L-M | I | 55 | $3,037 NZD |
| L-M | IF | 115 | $3,628 NZD |
| L-M | SI1 | 1,643 | $3,770 NZD |
| L-M | SI2 | 958 | $3,376 NZD |
| L-M | VS1 | 1,399 | $4,493 NZD |
| L-M | VS2 | 1,571 | $4,339 NZD |
| L-M | VVS1 | 631 | $3,652 NZD |
| L-M | VVS2 | 774 | $3,936 NZD |
| N+ | FL | 164 | $11,029 NZD |
| N+ | I | 2,389 | $11,871 NZD |
| N+ | IF | 4,199 | $14,532 NZD |
| N+ | SI1 | 8,918 | $14,568 NZD |
| N+ | SI2 | 4,730 | $13,956 NZD |
| N+ | VS1 | 21,387 | $14,827 NZD |
| N+ | VS2 | 19,538 | $15,697 NZD |
| N+ | VVS1 | 9,187 | $13,568 NZD |
| N+ | VVS2 | 12,346 | $13,009 NZD |
| N+ | other | 335 | $23,203 NZD |