Natural Radiant Diamond Prices in New Zealand
As of June 2026, there are 207,828 natural radiant diamonds available. Prices range from $538 NZD/ct to $921,479 NZD/ct, with an average of $12,741 NZD/ct.
Last updated: June 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $16K | $12K | $10K | $11K | $11K | $10K | $9,210 | $7,031 | $6,026 |
| F-G | $2,435 | $8,402 | $10K | $10K | $12K | $9,328 | $8,438 | $6,929 | $5,018 |
| H-I | $2,740 | $7,650 | $8,041 | $8,018 | $7,979 | $7,100 | $8,660 | $6,781 | $5,674 |
| J-K | $1,671 | $3,391 | $5,558 | $5,275 | $6,690 | $6,955 | $6,071 | $4,683 | $3,846 |
| L-M | - | $2,166 | $1,743 | $2,362 | $3,311 | $3,002 | $2,882 | $3,421 | $1,723 |
| N+ | $3,706 | $8,300 | $6,664 | $6,312 | $7,468 | $12K | $8,292 | $8,722 | $11K |
By Carat Weight
0.20-0.29
603 listings
Avg: $11,602 NZD/ct
0.30-0.49
16,661 listings
Avg: $3,151 NZD/ct
0.50-0.74
55,658 listings
Avg: $3,215 NZD/ct
0.75-0.99
19,616 listings
Avg: $4,054 NZD/ct
1.00-1.24
52,916 listings
Avg: $4,615 NZD/ct
1.25-1.49
4,554 listings
Avg: $6,683 NZD/ct
1.50-1.99
25,336 listings
Avg: $7,761 NZD/ct
2.00-2.49
15,811 listings
Avg: $11,083 NZD/ct
2.50-2.99
3,506 listings
Avg: $15,199 NZD/ct
3.00-3.99
7,923 listings
Avg: $20,225 NZD/ct
4.00-4.99
1,974 listings
Avg: $27,195 NZD/ct
5.00-9.99
2,925 listings
Avg: $34,356 NZD/ct
10.00+
269 listings
Avg: $35,651 NZD/ct
unknown
76 listings
Avg: $75,432 NZD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 232 | $27,313 NZD |
| D-E | I | 378 | $10,043 NZD |
| D-E | IF | 3,151 | $20,048 NZD |
| D-E | SI1 | 7,560 | $15,350 NZD |
| D-E | SI2 | 3,587 | $11,718 NZD |
| D-E | VS1 | 10,121 | $19,104 NZD |
| D-E | VS2 | 9,476 | $17,201 NZD |
| D-E | VVS1 | 9,352 | $16,739 NZD |
| D-E | VVS2 | 7,577 | $17,538 NZD |
| F-G | FL | 117 | $4,058 NZD |
| F-G | I | 530 | $8,364 NZD |
| F-G | IF | 3,568 | $14,003 NZD |
| F-G | SI1 | 8,904 | $14,064 NZD |
| F-G | SI2 | 4,675 | $11,548 NZD |
| F-G | VS1 | 11,581 | $20,573 NZD |
| F-G | VS2 | 11,754 | $15,547 NZD |
| F-G | VVS1 | 10,223 | $17,487 NZD |
| F-G | VVS2 | 8,976 | $16,696 NZD |
| H-I | FL | 76 | $4,567 NZD |
| H-I | I | 575 | $9,456 NZD |
| H-I | IF | 2,411 | $12,750 NZD |
| H-I | SI1 | 8,510 | $14,433 NZD |
| H-I | SI2 | 4,639 | $11,302 NZD |
| H-I | VS1 | 9,560 | $13,299 NZD |
| H-I | VS2 | 9,995 | $11,833 NZD |
| H-I | VVS1 | 8,693 | $13,401 NZD |
| H-I | VVS2 | 7,855 | $13,363 NZD |
| J-K | FL | 36 | $2,784 NZD |
| J-K | I | 261 | $6,410 NZD |
| J-K | IF | 818 | $5,651 NZD |
| J-K | SI1 | 4,254 | $10,119 NZD |
| J-K | SI2 | 2,761 | $7,805 NZD |
| J-K | VS1 | 4,474 | $11,151 NZD |
| J-K | VS2 | 4,242 | $11,591 NZD |
| J-K | VVS1 | 3,211 | $9,264 NZD |
| J-K | VVS2 | 3,196 | $8,791 NZD |
| L-M | I | 27 | $2,871 NZD |
| L-M | IF | 91 | $3,610 NZD |
| L-M | SI1 | 595 | $4,803 NZD |
| L-M | SI2 | 489 | $5,702 NZD |
| L-M | VS1 | 509 | $5,518 NZD |
| L-M | VS2 | 580 | $5,004 NZD |
| L-M | VVS1 | 257 | $2,905 NZD |
| L-M | VVS2 | 333 | $3,936 NZD |
| N+ | FL | 24 | $6,176 NZD |
| N+ | I | 348 | $18,663 NZD |
| N+ | IF | 1,018 | $13,833 NZD |
| N+ | SI1 | 1,756 | $13,820 NZD |
| N+ | SI2 | 995 | $14,536 NZD |
| N+ | VS1 | 4,509 | $12,446 NZD |
| N+ | VS2 | 3,537 | $20,198 NZD |
| N+ | VVS1 | 2,306 | $11,107 NZD |
| N+ | VVS2 | 2,994 | $10,520 NZD |
| N+ | other | 131 | $32,094 NZD |