Natural Round Diamond Prices in New Zealand
As of July 2026, there are 4,788,598 natural round diamonds available. Prices range from $228 NZD/ct to $379,250 NZD/ct, with an average of $14,288 NZD/ct.
Last updated: July 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $28K | $20K | $24K | $20K | $13K | $15K | $12K | $6,838 | $4,450 |
| F-G | $15K | $18K | $15K | $15K | $14K | $12K | $10K | $7,732 | $3,902 |
| H-I | $7,147 | $12K | $11K | $11K | $9,660 | $9,134 | $7,760 | $5,641 | $3,399 |
| J-K | $3,654 | $6,947 | $6,743 | $6,787 | $6,596 | $6,243 | $6,159 | $4,839 | $3,119 |
| L-M | $3,033 | $4,575 | $3,887 | $5,293 | $4,992 | $4,155 | $3,940 | $3,728 | $2,178 |
| N+ | - | $4,343 | $3,817 | $1,443 | $4,254 | $3,383 | $3,903 | $6,254 | $4,720 |
By Carat Weight
0.20-0.29
231,007 listings
Avg: $2,797 NZD/ct
0.30-0.49
1,350,491 listings
Avg: $2,587 NZD/ct
0.50-0.74
1,338,585 listings
Avg: $2,899 NZD/ct
0.75-0.99
383,410 listings
Avg: $3,994 NZD/ct
1.00-1.24
658,964 listings
Avg: $5,689 NZD/ct
1.25-1.49
91,458 listings
Avg: $7,170 NZD/ct
1.50-1.99
335,985 listings
Avg: $8,755 NZD/ct
2.00-2.49
164,525 listings
Avg: $13,318 NZD/ct
2.50-2.99
50,843 listings
Avg: $16,307 NZD/ct
3.00-3.99
64,259 listings
Avg: $21,478 NZD/ct
4.00-4.99
18,487 listings
Avg: $27,174 NZD/ct
5.00-9.99
17,545 listings
Avg: $34,958 NZD/ct
10.00+
1,082 listings
Avg: $53,849 NZD/ct
unknown
81,957 listings
Avg: $10,638 NZD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 17,215 | $46,360 NZD |
| D-E | I | 20,963 | $7,417 NZD |
| D-E | IF | 116,062 | $33,131 NZD |
| D-E | SI1 | 172,255 | $19,309 NZD |
| D-E | SI2 | 115,063 | $11,396 NZD |
| D-E | VS1 | 197,541 | $21,361 NZD |
| D-E | VS2 | 183,609 | $25,480 NZD |
| D-E | VVS1 | 246,528 | $39,751 NZD |
| D-E | VVS2 | 212,187 | $32,750 NZD |
| D-E | other | 26 | $3,139 NZD |
| F-G | FL | 1,362 | $24,535 NZD |
| F-G | I | 32,663 | $6,503 NZD |
| F-G | IF | 116,189 | $29,679 NZD |
| F-G | SI1 | 205,585 | $16,985 NZD |
| F-G | SI2 | 158,361 | $12,887 NZD |
| F-G | VS1 | 238,537 | $23,060 NZD |
| F-G | VS2 | 236,797 | $20,305 NZD |
| F-G | VVS1 | 239,639 | $25,564 NZD |
| F-G | VVS2 | 206,757 | $24,891 NZD |
| F-G | other | 46 | $6,076 NZD |
| H-I | FL | 569 | $11,912 NZD |
| H-I | I | 27,409 | $5,665 NZD |
| H-I | IF | 73,277 | $19,815 NZD |
| H-I | SI1 | 191,808 | $12,933 NZD |
| H-I | SI2 | 142,361 | $9,401 NZD |
| H-I | VS1 | 221,758 | $16,101 NZD |
| H-I | VS2 | 226,401 | $15,223 NZD |
| H-I | VVS1 | 181,759 | $18,945 NZD |
| H-I | VVS2 | 188,282 | $17,967 NZD |
| H-I | other | 23 | $4,915 NZD |
| J-K | FL | 143 | $6,090 NZD |
| J-K | I | 15,793 | $5,198 NZD |
| J-K | IF | 34,850 | $11,578 NZD |
| J-K | SI1 | 98,433 | $10,266 NZD |
| J-K | SI2 | 74,687 | $8,064 NZD |
| J-K | VS1 | 108,470 | $10,993 NZD |
| J-K | VS2 | 92,796 | $10,405 NZD |
| J-K | VVS1 | 102,801 | $11,238 NZD |
| J-K | VVS2 | 98,949 | $11,311 NZD |
| L-M | FL | 33 | $5,054 NZD |
| L-M | I | 4,201 | $3,630 NZD |
| L-M | IF | 7,361 | $7,625 NZD |
| L-M | SI1 | 25,865 | $6,566 NZD |
| L-M | SI2 | 17,781 | $6,213 NZD |
| L-M | VS1 | 25,179 | $8,319 NZD |
| L-M | VS2 | 23,935 | $6,925 NZD |
| L-M | VVS1 | 23,254 | $6,479 NZD |
| L-M | VVS2 | 23,433 | $8,822 NZD |
| N+ | I | 5,096 | $7,866 NZD |
| N+ | IF | 536 | $7,238 NZD |
| N+ | SI1 | 5,552 | $6,505 NZD |
| N+ | SI2 | 4,625 | $10,423 NZD |
| N+ | VS1 | 5,661 | $7,090 NZD |
| N+ | VS2 | 5,287 | $5,639 NZD |
| N+ | VVS1 | 2,606 | $6,362 NZD |
| N+ | VVS2 | 9,576 | $2,404 NZD |
| N+ | other | 663 | $8,771 NZD |