Natural Cushion 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 | $15K | $11K | $9,856 | $14K | $12K | $10K | $5,781 | $5,245 |
| F-G | $4,064 | $9,294 | $9,434 | $12K | $12K | $12K | $6,689 | $5,535 | $5,955 |
| H-I | $4,097 | $8,188 | $6,626 | $6,688 | $6,465 | $7,820 | $5,661 | $6,276 | $5,484 |
| J-K | $2,735 | $5,584 | $4,706 | $4,972 | $4,751 | $6,545 | $5,642 | $4,986 | $5,124 |
| L-M | - | $2,449 | $2,162 | $2,793 | $2,999 | $3,088 | $3,842 | $3,554 | $1,750 |
| N+ | $7,287 | $9,104 | $7,052 | $8,358 | $10K | $8,914 | $8,275 | $8,156 | $7,243 |
By Carat Weight
0.20-0.29
5,502 listings
Avg: $9,805 NZD/ct
0.30-0.49
38,810 listings
Avg: $4,307 NZD/ct
0.50-0.74
103,195 listings
Avg: $3,271 NZD/ct
0.75-0.99
63,742 listings
Avg: $3,744 NZD/ct
1.00-1.24
148,778 listings
Avg: $4,951 NZD/ct
1.25-1.49
16,170 listings
Avg: $6,373 NZD/ct
1.50-1.99
108,767 listings
Avg: $7,185 NZD/ct
2.00-2.49
63,077 listings
Avg: $10,831 NZD/ct
2.50-2.99
15,518 listings
Avg: $15,492 NZD/ct
3.00-3.99
21,108 listings
Avg: $18,514 NZD/ct
4.00-4.99
4,789 listings
Avg: $25,855 NZD/ct
5.00-9.99
4,827 listings
Avg: $31,339 NZD/ct
10.00+
576 listings
Avg: $59,288 NZD/ct
unknown
942 listings
Avg: $17,472 NZD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 331 | $43,943 NZD |
| D-E | I | 2,057 | $9,110 NZD |
| D-E | IF | 3,863 | $26,600 NZD |
| D-E | SI1 | 22,351 | $17,534 NZD |
| D-E | SI2 | 10,603 | $10,041 NZD |
| D-E | VS1 | 31,048 | $23,539 NZD |
| D-E | VS2 | 27,352 | $21,483 NZD |
| D-E | VVS1 | 17,754 | $19,901 NZD |
| D-E | VVS2 | 21,338 | $17,119 NZD |
| F-G | FL | 112 | $7,058 NZD |
| F-G | I | 2,561 | $10,343 NZD |
| F-G | IF | 4,811 | $16,142 NZD |
| F-G | SI1 | 25,670 | $11,619 NZD |
| F-G | SI2 | 14,433 | $9,614 NZD |
| F-G | VS1 | 39,326 | $20,303 NZD |
| F-G | VS2 | 38,780 | $20,088 NZD |
| F-G | VVS1 | 21,149 | $16,385 NZD |
| F-G | VVS2 | 24,316 | $20,601 NZD |
| H-I | FL | 128 | $7,116 NZD |
| H-I | I | 2,806 | $9,525 NZD |
| H-I | IF | 3,935 | $14,222 NZD |
| H-I | SI1 | 26,994 | $9,832 NZD |
| H-I | SI2 | 15,986 | $10,901 NZD |
| H-I | VS1 | 35,374 | $11,230 NZD |
| H-I | VS2 | 33,819 | $13,583 NZD |
| H-I | VVS1 | 18,028 | $11,509 NZD |
| H-I | VVS2 | 23,250 | $11,617 NZD |
| J-K | FL | 35 | $4,751 NZD |
| J-K | I | 1,458 | $8,900 NZD |
| J-K | IF | 1,403 | $9,699 NZD |
| J-K | SI1 | 14,171 | $9,800 NZD |
| J-K | SI2 | 8,388 | $8,660 NZD |
| J-K | VS1 | 14,445 | $8,253 NZD |
| J-K | VS2 | 14,412 | $11,367 NZD |
| J-K | VVS1 | 7,229 | $8,174 NZD |
| J-K | VVS2 | 9,024 | $8,636 NZD |
| L-M | I | 123 | $3,039 NZD |
| L-M | IF | 188 | $4,253 NZD |
| L-M | SI1 | 1,636 | $6,673 NZD |
| L-M | SI2 | 1,046 | $6,173 NZD |
| L-M | VS1 | 1,438 | $5,209 NZD |
| L-M | VS2 | 1,693 | $5,363 NZD |
| L-M | VVS1 | 709 | $3,755 NZD |
| L-M | VVS2 | 1,114 | $4,851 NZD |
| N+ | FL | 169 | $12,658 NZD |
| N+ | I | 2,188 | $12,581 NZD |
| N+ | IF | 1,637 | $15,813 NZD |
| N+ | SI1 | 8,038 | $14,373 NZD |
| N+ | SI2 | 5,619 | $14,167 NZD |
| N+ | VS1 | 10,071 | $17,603 NZD |
| N+ | VS2 | 10,380 | $15,483 NZD |
| N+ | VVS1 | 4,017 | $12,249 NZD |
| N+ | VVS2 | 6,069 | $14,518 NZD |
| N+ | other | 926 | $20,357 NZD |