Natural Round 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 | $17K | $20K | $17K | $15K | $13K | $11K | $9,032 | $6,854 | $5,324 |
| F-G | $14K | $12K | $12K | $12K | $15K | $9,808 | $7,995 | $5,814 | $3,820 |
| H-I | $8,688 | $8,211 | $8,496 | $8,119 | $7,578 | $7,069 | $6,222 | $4,875 | $3,792 |
| J-K | $3,911 | $5,527 | $5,456 | $5,228 | $5,246 | $4,850 | $4,486 | $3,987 | $3,359 |
| L-M | $4,566 | $4,398 | $3,933 | $4,162 | $3,849 | $3,551 | $3,307 | $2,951 | $2,112 |
| N+ | - | $3,475 | $3,800 | $1,597 | $3,578 | $3,248 | $3,637 | $5,063 | $3,905 |
By Carat Weight
0.20-0.29
266,182 listings
Avg: $3,779 NZD/ct
0.30-0.49
3,342,564 listings
Avg: $2,743 NZD/ct
0.50-0.74
2,531,426 listings
Avg: $3,048 NZD/ct
0.75-0.99
659,885 listings
Avg: $4,178 NZD/ct
1.00-1.24
1,050,652 listings
Avg: $6,168 NZD/ct
1.25-1.49
149,576 listings
Avg: $7,655 NZD/ct
1.50-1.99
562,067 listings
Avg: $9,526 NZD/ct
2.00-2.49
255,426 listings
Avg: $14,590 NZD/ct
2.50-2.99
80,508 listings
Avg: $18,125 NZD/ct
3.00-3.99
94,872 listings
Avg: $23,244 NZD/ct
4.00-4.99
28,504 listings
Avg: $28,442 NZD/ct
5.00-9.99
25,102 listings
Avg: $35,869 NZD/ct
10.00+
281 listings
Avg: $20,690 NZD/ct
unknown
105,421 listings
Avg: $8,987 NZD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 28,927 | $31,046 NZD |
| D-E | I | 30,002 | $9,485 NZD |
| D-E | IF | 193,228 | $35,961 NZD |
| D-E | SI1 | 375,960 | $16,091 NZD |
| D-E | SI2 | 241,409 | $12,211 NZD |
| D-E | VS1 | 464,028 | $22,911 NZD |
| D-E | VS2 | 433,567 | $20,450 NZD |
| D-E | VVS1 | 547,917 | $29,913 NZD |
| D-E | VVS2 | 409,731 | $26,210 NZD |
| D-E | other | 25 | $4,841 NZD |
| F-G | FL | 2,973 | $24,365 NZD |
| F-G | I | 44,828 | $6,805 NZD |
| F-G | IF | 161,761 | $22,147 NZD |
| F-G | SI1 | 425,265 | $14,243 NZD |
| F-G | SI2 | 309,238 | $10,357 NZD |
| F-G | VS1 | 517,973 | $27,590 NZD |
| F-G | VS2 | 516,150 | $17,473 NZD |
| F-G | VVS1 | 444,518 | $21,509 NZD |
| F-G | VVS2 | 420,112 | $20,850 NZD |
| F-G | other | 49 | $6,349 NZD |
| H-I | FL | 1,284 | $15,477 NZD |
| H-I | I | 36,643 | $6,755 NZD |
| H-I | IF | 115,272 | $14,628 NZD |
| H-I | SI1 | 331,785 | $11,084 NZD |
| H-I | SI2 | 231,542 | $8,684 NZD |
| H-I | VS1 | 426,057 | $13,501 NZD |
| H-I | VS2 | 417,335 | $12,594 NZD |
| H-I | VVS1 | 367,714 | $15,135 NZD |
| H-I | VVS2 | 350,027 | $14,464 NZD |
| H-I | other | 17 | $5,245 NZD |
| J-K | FL | 401 | $6,968 NZD |
| J-K | I | 21,560 | $5,983 NZD |
| J-K | IF | 56,678 | $9,847 NZD |
| J-K | SI1 | 157,649 | $7,992 NZD |
| J-K | SI2 | 115,485 | $7,104 NZD |
| J-K | VS1 | 184,847 | $9,345 NZD |
| J-K | VS2 | 154,907 | $8,640 NZD |
| J-K | VVS1 | 175,827 | $9,720 NZD |
| J-K | VVS2 | 164,099 | $9,314 NZD |
| L-M | FL | 92 | $8,135 NZD |
| L-M | I | 5,930 | $3,762 NZD |
| L-M | IF | 9,625 | $7,835 NZD |
| L-M | SI1 | 39,522 | $5,891 NZD |
| L-M | SI2 | 29,128 | $5,257 NZD |
| L-M | VS1 | 31,789 | $6,857 NZD |
| L-M | VS2 | 30,905 | $6,327 NZD |
| L-M | VVS1 | 30,448 | $7,007 NZD |
| L-M | VVS2 | 29,113 | $7,415 NZD |
| N+ | I | 9,733 | $6,956 NZD |
| N+ | IF | 697 | $6,191 NZD |
| N+ | SI1 | 8,966 | $6,480 NZD |
| N+ | SI2 | 8,356 | $9,020 NZD |
| N+ | VS1 | 10,328 | $6,374 NZD |
| N+ | VS2 | 8,225 | $5,787 NZD |
| N+ | VVS1 | 4,485 | $6,770 NZD |
| N+ | VVS2 | 17,617 | $2,844 NZD |
| N+ | other | 717 | $14,939 NZD |