Natural Heart 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 | $25K | $16K | $9,158 | $10K | $9,682 | $12K | $6,795 | $4,412 | $5,581 |
| F-G | $10K | $9,357 | $9,446 | $8,842 | $8,503 | $11K | $5,720 | $3,655 | $4,863 |
| H-I | $2,592 | $7,568 | $6,588 | $6,276 | $8,472 | $8,874 | $4,530 | $4,448 | $8,022 |
| J-K | $2,144 | $5,337 | $5,207 | $4,832 | $4,628 | $4,612 | $4,350 | $5,043 | $5,848 |
| L-M | - | $1,768 | $2,539 | $2,018 | $3,454 | $2,731 | $2,090 | $2,836 | $1,304 |
| N+ | - | $5,449 | $4,015 | $2,727 | $5,569 | $7,782 | $9,094 | $7,609 | $3,877 |
By Carat Weight
0.20-0.29
4,505 listings
Avg: $8,799 NZD/ct
0.30-0.49
26,052 listings
Avg: $4,173 NZD/ct
0.50-0.74
116,419 listings
Avg: $3,124 NZD/ct
0.75-0.99
50,845 listings
Avg: $3,408 NZD/ct
1.00-1.24
85,869 listings
Avg: $4,742 NZD/ct
1.25-1.49
7,173 listings
Avg: $5,805 NZD/ct
1.50-1.99
41,483 listings
Avg: $6,530 NZD/ct
2.00-2.49
17,518 listings
Avg: $9,927 NZD/ct
2.50-2.99
3,200 listings
Avg: $13,586 NZD/ct
3.00-3.99
3,723 listings
Avg: $15,204 NZD/ct
4.00-4.99
1,162 listings
Avg: $27,209 NZD/ct
5.00-9.99
1,584 listings
Avg: $34,088 NZD/ct
10.00+
149 listings
Avg: $56,914 NZD/ct
unknown
442 listings
Avg: $13,227 NZD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 489 | $41,040 NZD |
| D-E | I | 1,414 | $9,302 NZD |
| D-E | IF | 3,717 | $26,535 NZD |
| D-E | SI1 | 16,951 | $11,324 NZD |
| D-E | SI2 | 8,587 | $7,353 NZD |
| D-E | VS1 | 20,656 | $16,137 NZD |
| D-E | VS2 | 20,475 | $20,103 NZD |
| D-E | VVS1 | 10,420 | $15,263 NZD |
| D-E | VVS2 | 14,632 | $17,455 NZD |
| F-G | FL | 216 | $17,243 NZD |
| F-G | I | 2,019 | $8,105 NZD |
| F-G | IF | 4,960 | $15,595 NZD |
| F-G | SI1 | 18,740 | $9,534 NZD |
| F-G | SI2 | 13,942 | $6,091 NZD |
| F-G | VS1 | 24,288 | $14,171 NZD |
| F-G | VS2 | 23,768 | $18,063 NZD |
| F-G | VVS1 | 11,433 | $15,744 NZD |
| F-G | VVS2 | 16,342 | $14,737 NZD |
| H-I | FL | 127 | $4,321 NZD |
| H-I | I | 1,753 | $13,371 NZD |
| H-I | IF | 4,588 | $12,613 NZD |
| H-I | SI1 | 16,524 | $7,550 NZD |
| H-I | SI2 | 14,334 | $7,413 NZD |
| H-I | VS1 | 19,568 | $14,121 NZD |
| H-I | VS2 | 18,398 | $14,789 NZD |
| H-I | VVS1 | 11,224 | $10,980 NZD |
| H-I | VVS2 | 13,348 | $10,460 NZD |
| J-K | FL | 53 | $3,573 NZD |
| J-K | I | 540 | $9,746 NZD |
| J-K | IF | 1,344 | $8,896 NZD |
| J-K | SI1 | 5,223 | $7,251 NZD |
| J-K | SI2 | 4,125 | $8,405 NZD |
| J-K | VS1 | 4,732 | $7,714 NZD |
| J-K | VS2 | 5,520 | $7,687 NZD |
| J-K | VVS1 | 4,354 | $8,679 NZD |
| J-K | VVS2 | 4,149 | $8,053 NZD |
| L-M | I | 56 | $2,173 NZD |
| L-M | IF | 82 | $2,947 NZD |
| L-M | SI1 | 357 | $3,484 NZD |
| L-M | SI2 | 178 | $4,726 NZD |
| L-M | VS1 | 402 | $5,756 NZD |
| L-M | VS2 | 371 | $4,551 NZD |
| L-M | VVS1 | 274 | $4,231 NZD |
| L-M | VVS2 | 343 | $3,363 NZD |
| N+ | I | 1,123 | $6,461 NZD |
| N+ | IF | 303 | $9,082 NZD |
| N+ | SI1 | 2,783 | $15,157 NZD |
| N+ | SI2 | 2,031 | $12,681 NZD |
| N+ | VS1 | 2,636 | $9,282 NZD |
| N+ | VS2 | 3,747 | $12,971 NZD |
| N+ | VVS1 | 633 | $6,692 NZD |
| N+ | VVS2 | 1,650 | $4,546 NZD |
| N+ | other | 202 | $23,224 NZD |