Natural Round Diamond Prices in New Zealand
Last updated: September 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $26K | $20K | $24K | $19K | $13K | $15K | $11K | $6,672 | $4,880 |
| F-G | $15K | $16K | $15K | $15K | $15K | $12K | $9,870 | $6,845 | $3,920 |
| H-I | $6,978 | $10K | $11K | $9,954 | $9,504 | $8,409 | $6,949 | $5,808 | $3,575 |
| J-K | $5,076 | $7,181 | $6,554 | $6,474 | $6,340 | $5,995 | $5,876 | $4,413 | $2,979 |
| L-M | $3,032 | $4,370 | $3,899 | $5,026 | $4,597 | $4,172 | $3,692 | $3,172 | $2,260 |
| N+ | - | $4,145 | $3,126 | $1,288 | $3,557 | $3,520 | $4,570 | $5,547 | $4,274 |
By Carat Weight
0.20-0.29
252,557 listings
Avg: $3,440 NZD/ct
0.30-0.49
2,019,287 listings
Avg: $2,536 NZD/ct
0.50-0.74
1,761,256 listings
Avg: $2,739 NZD/ct
0.75-0.99
467,387 listings
Avg: $3,944 NZD/ct
1.00-1.24
777,176 listings
Avg: $5,559 NZD/ct
1.25-1.49
111,590 listings
Avg: $7,152 NZD/ct
1.50-1.99
411,977 listings
Avg: $8,530 NZD/ct
2.00-2.49
198,964 listings
Avg: $12,998 NZD/ct
2.50-2.99
63,253 listings
Avg: $16,173 NZD/ct
3.00-3.99
76,597 listings
Avg: $20,990 NZD/ct
4.00-4.99
22,462 listings
Avg: $26,593 NZD/ct
5.00-9.99
19,798 listings
Avg: $33,761 NZD/ct
10.00+
1,029 listings
Avg: $48,942 NZD/ct
unknown
87,501 listings
Avg: $10,190 NZD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 22,699 | $43,106 NZD |
| D-E | I | 27,219 | $8,134 NZD |
| D-E | IF | 150,345 | $32,935 NZD |
| D-E | SI1 | 242,421 | $18,850 NZD |
| D-E | SI2 | 162,597 | $11,119 NZD |
| D-E | VS1 | 282,970 | $21,148 NZD |
| D-E | VS2 | 260,975 | $24,584 NZD |
| D-E | VVS1 | 364,058 | $39,807 NZD |
| D-E | VVS2 | 272,458 | $31,873 NZD |
| D-E | other | 26 | $3,651 NZD |
| F-G | FL | 3,246 | $25,280 NZD |
| F-G | I | 41,568 | $6,533 NZD |
| F-G | IF | 129,780 | $27,166 NZD |
| F-G | SI1 | 277,091 | $16,450 NZD |
| F-G | SI2 | 212,446 | $11,408 NZD |
| F-G | VS1 | 317,789 | $24,439 NZD |
| F-G | VS2 | 318,244 | $20,418 NZD |
| F-G | VVS1 | 306,998 | $24,670 NZD |
| F-G | VVS2 | 271,540 | $24,508 NZD |
| F-G | other | 44 | $6,586 NZD |
| H-I | FL | 1,233 | $11,631 NZD |
| H-I | I | 34,043 | $5,959 NZD |
| H-I | IF | 88,473 | $17,131 NZD |
| H-I | SI1 | 236,842 | $11,581 NZD |
| H-I | SI2 | 177,279 | $9,680 NZD |
| H-I | VS1 | 285,721 | $15,839 NZD |
| H-I | VS2 | 288,345 | $14,015 NZD |
| H-I | VVS1 | 243,421 | $17,549 NZD |
| H-I | VVS2 | 241,968 | $16,590 NZD |
| H-I | other | 22 | $4,994 NZD |
| J-K | FL | 612 | $8,460 NZD |
| J-K | I | 20,220 | $4,965 NZD |
| J-K | IF | 44,145 | $11,968 NZD |
| J-K | SI1 | 118,976 | $9,794 NZD |
| J-K | SI2 | 92,920 | $7,355 NZD |
| J-K | VS1 | 135,315 | $10,567 NZD |
| J-K | VS2 | 115,231 | $9,991 NZD |
| J-K | VVS1 | 131,297 | $10,924 NZD |
| J-K | VVS2 | 122,219 | $10,789 NZD |
| L-M | FL | 54 | $5,054 NZD |
| L-M | I | 5,364 | $3,767 NZD |
| L-M | IF | 8,465 | $7,283 NZD |
| L-M | SI1 | 30,648 | $6,153 NZD |
| L-M | SI2 | 23,186 | $5,287 NZD |
| L-M | VS1 | 27,481 | $7,662 NZD |
| L-M | VS2 | 26,532 | $6,953 NZD |
| L-M | VVS1 | 27,049 | $6,499 NZD |
| L-M | VVS2 | 25,935 | $8,377 NZD |
| N+ | I | 6,003 | $7,123 NZD |
| N+ | IF | 633 | $6,908 NZD |
| N+ | SI1 | 6,316 | $7,617 NZD |
| N+ | SI2 | 5,866 | $9,246 NZD |
| N+ | VS1 | 9,122 | $5,929 NZD |
| N+ | VS2 | 6,128 | $5,866 NZD |
| N+ | VVS1 | 3,118 | $5,210 NZD |
| N+ | VVS2 | 15,201 | $2,146 NZD |
| N+ | other | 937 | $11,740 NZD |