Natural Round Diamond Prices in New Zealand
As of June 2026, there are 4,466,302 natural round diamonds available. Prices range from $91 NZD/ct to $379,250 NZD/ct, with an average of $14,586 NZD/ct.
Last updated: June 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $28K | $20K | $24K | $19K | $13K | $15K | $12K | $7,050 | $4,822 |
| F-G | $17K | $18K | $16K | $15K | $15K | $13K | $11K | $7,548 | $4,009 |
| H-I | $7,127 | $11K | $11K | $11K | $9,701 | $9,168 | $7,914 | $6,683 | $4,026 |
| J-K | $3,822 | $7,432 | $7,413 | $7,189 | $6,998 | $6,349 | $5,905 | $5,444 | $3,681 |
| L-M | $3,636 | $4,800 | $4,168 | $5,349 | $4,738 | $4,412 | $4,433 | $3,985 | $2,524 |
| N+ | - | $3,844 | $3,911 | $1,617 | $4,731 | $3,071 | $3,083 | $6,102 | $5,092 |
By Carat Weight
0.20-0.29
197,225 listings
Avg: $2,791 NZD/ct
0.30-0.49
1,287,621 listings
Avg: $2,472 NZD/ct
0.50-0.74
1,328,563 listings
Avg: $2,839 NZD/ct
0.75-0.99
369,088 listings
Avg: $3,937 NZD/ct
1.00-1.24
578,155 listings
Avg: $5,646 NZD/ct
1.25-1.49
79,293 listings
Avg: $7,158 NZD/ct
1.50-1.99
288,099 listings
Avg: $8,758 NZD/ct
2.00-2.49
136,815 listings
Avg: $13,523 NZD/ct
2.50-2.99
44,413 listings
Avg: $16,723 NZD/ct
3.00-3.99
54,589 listings
Avg: $21,893 NZD/ct
4.00-4.99
15,919 listings
Avg: $27,617 NZD/ct
5.00-9.99
17,695 listings
Avg: $37,461 NZD/ct
10.00+
1,133 listings
Avg: $60,701 NZD/ct
unknown
67,694 listings
Avg: $8,281 NZD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 16,482 | $46,671 NZD |
| D-E | I | 15,738 | $8,037 NZD |
| D-E | IF | 120,879 | $33,910 NZD |
| D-E | SI1 | 165,979 | $19,301 NZD |
| D-E | SI2 | 101,135 | $11,750 NZD |
| D-E | VS1 | 190,613 | $21,036 NZD |
| D-E | VS2 | 169,820 | $25,412 NZD |
| D-E | VVS1 | 254,774 | $39,318 NZD |
| D-E | VVS2 | 211,071 | $31,868 NZD |
| D-E | other | 24 | $3,575 NZD |
| F-G | FL | 1,420 | $28,353 NZD |
| F-G | I | 23,843 | $6,682 NZD |
| F-G | IF | 125,060 | $29,529 NZD |
| F-G | SI1 | 197,324 | $17,780 NZD |
| F-G | SI2 | 135,809 | $12,579 NZD |
| F-G | VS1 | 231,310 | $24,195 NZD |
| F-G | VS2 | 218,725 | $20,926 NZD |
| F-G | VVS1 | 254,767 | $27,136 NZD |
| F-G | VVS2 | 208,767 | $24,951 NZD |
| F-G | other | 46 | $5,082 NZD |
| H-I | FL | 482 | $11,879 NZD |
| H-I | I | 19,856 | $6,710 NZD |
| H-I | IF | 68,661 | $19,010 NZD |
| H-I | SI1 | 176,970 | $13,189 NZD |
| H-I | SI2 | 122,251 | $11,139 NZD |
| H-I | VS1 | 193,695 | $16,169 NZD |
| H-I | VS2 | 198,276 | $15,280 NZD |
| H-I | VVS1 | 166,042 | $18,810 NZD |
| H-I | VVS2 | 168,420 | $17,800 NZD |
| H-I | other | 24 | $4,885 NZD |
| J-K | FL | 134 | $6,370 NZD |
| J-K | I | 11,282 | $6,135 NZD |
| J-K | IF | 31,855 | $12,387 NZD |
| J-K | SI1 | 85,455 | $9,842 NZD |
| J-K | SI2 | 61,476 | $9,074 NZD |
| J-K | VS1 | 93,823 | $11,663 NZD |
| J-K | VS2 | 80,902 | $10,581 NZD |
| J-K | VVS1 | 92,357 | $12,355 NZD |
| J-K | VVS2 | 86,799 | $11,982 NZD |
| L-M | FL | 23 | $6,059 NZD |
| L-M | I | 3,557 | $4,207 NZD |
| L-M | IF | 6,800 | $7,999 NZD |
| L-M | SI1 | 23,311 | $7,388 NZD |
| L-M | SI2 | 15,797 | $6,642 NZD |
| L-M | VS1 | 23,927 | $7,896 NZD |
| L-M | VS2 | 22,407 | $7,354 NZD |
| L-M | VVS1 | 21,741 | $6,946 NZD |
| L-M | VVS2 | 21,668 | $8,915 NZD |
| N+ | I | 2,147 | $8,487 NZD |
| N+ | IF | 376 | $6,407 NZD |
| N+ | SI1 | 3,394 | $5,138 NZD |
| N+ | SI2 | 2,522 | $10,170 NZD |
| N+ | VS1 | 3,904 | $7,885 NZD |
| N+ | VS2 | 3,458 | $5,119 NZD |
| N+ | VVS1 | 1,865 | $6,518 NZD |
| N+ | VVS2 | 6,624 | $2,696 NZD |
| N+ | other | 435 | $2,282 NZD |