Lab Grown Oval 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 | $1,569 | $1,182 | $932 | $669 | $648 | $652 | $612 | $2,189 | $3,247 |
| F-G | $1,400 | $1,109 | $960 | $630 | $615 | $566 | $737 | $3,677 | $3,307 |
| H-I | $4,369 | $2,567 | $1,452 | $778 | $706 | $1,190 | $1,080 | $5,055 | $1,756 |
| J-K | - | $2,376 | $2,861 | $4,099 | $1,628 | $2,127 | $3,174 | $2,955 | $4,115 |
| L-M | - | $1,213 | $1,290 | $941 | $657 | $1,075 | $1,130 | $1,112 | $758 |
| N+ | $1,787 | $1,949 | $732 | $641 | $618 | $622 | $713 | $1,295 | $523 |
By Carat Weight
0.20-0.29
2,388 listings
Avg: $1,895 NZD/ct
0.30-0.49
41,091 listings
Avg: $1,948 NZD/ct
0.50-0.74
157,038 listings
Avg: $1,973 NZD/ct
0.75-0.99
111,984 listings
Avg: $2,288 NZD/ct
1.00-1.24
519,016 listings
Avg: $1,871 NZD/ct
1.25-1.49
156,348 listings
Avg: $1,825 NZD/ct
1.50-1.99
647,553 listings
Avg: $2,636 NZD/ct
2.00-2.49
379,942 listings
Avg: $2,680 NZD/ct
2.50-2.99
222,579 listings
Avg: $2,171 NZD/ct
3.00-3.99
356,247 listings
Avg: $2,849 NZD/ct
4.00-4.99
217,990 listings
Avg: $3,094 NZD/ct
5.00-9.99
199,547 listings
Avg: $4,676 NZD/ct
10.00+
31,973 listings
Avg: $3,923 NZD/ct
unknown
1,608 listings
Avg: $2,681 NZD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 90,835 | $2,614 NZD |
| D-E | I | 96 | $5,412 NZD |
| D-E | IF | 136,797 | $1,971 NZD |
| D-E | SI1 | 11,686 | $1,020 NZD |
| D-E | SI2 | 1,017 | $3,648 NZD |
| D-E | VS1 | 656,664 | $1,080 NZD |
| D-E | VS2 | 163,870 | $1,086 NZD |
| D-E | VVS1 | 378,106 | $1,554 NZD |
| D-E | VVS2 | 840,835 | $1,116 NZD |
| D-E | other | 20 | $1,371 NZD |
| F-G | FL | 460 | $2,334 NZD |
| F-G | I | 101 | $5,512 NZD |
| F-G | IF | 4,628 | $1,849 NZD |
| F-G | SI1 | 6,905 | $1,228 NZD |
| F-G | SI2 | 852 | $6,128 NZD |
| F-G | VS1 | 232,527 | $1,025 NZD |
| F-G | VS2 | 52,428 | $943 NZD |
| F-G | VVS1 | 28,827 | $1,600 NZD |
| F-G | VVS2 | 264,999 | $1,050 NZD |
| F-G | other | 11 | $844 NZD |
| H-I | FL | 10 | $7,282 NZD |
| H-I | I | 158 | $2,927 NZD |
| H-I | IF | 306 | $4,278 NZD |
| H-I | SI1 | 5,067 | $1,800 NZD |
| H-I | SI2 | 2,060 | $8,425 NZD |
| H-I | VS1 | 18,625 | $1,177 NZD |
| H-I | VS2 | 9,659 | $1,984 NZD |
| H-I | VVS1 | 1,681 | $2,420 NZD |
| H-I | VVS2 | 10,560 | $1,297 NZD |
| J-K | I | 761 | $6,859 NZD |
| J-K | IF | 95 | $3,960 NZD |
| J-K | SI1 | 4,705 | $5,290 NZD |
| J-K | SI2 | 1,294 | $4,926 NZD |
| J-K | VS1 | 2,055 | $2,713 NZD |
| J-K | VS2 | 3,580 | $3,545 NZD |
| J-K | VVS1 | 142 | $4,769 NZD |
| J-K | VVS2 | 411 | $6,832 NZD |
| L-M | I | 10 | $1,263 NZD |
| L-M | IF | 30 | $2,022 NZD |
| L-M | SI1 | 102 | $1,884 NZD |
| L-M | SI2 | 140 | $1,854 NZD |
| L-M | VS1 | 131 | $1,095 NZD |
| L-M | VS2 | 81 | $1,791 NZD |
| L-M | VVS1 | 48 | $2,151 NZD |
| L-M | VVS2 | 90 | $1,568 NZD |
| N+ | FL | 82 | $2,978 NZD |
| N+ | I | 152 | $872 NZD |
| N+ | IF | 927 | $3,248 NZD |
| N+ | SI1 | 4,733 | $1,188 NZD |
| N+ | SI2 | 1,021 | $2,159 NZD |
| N+ | VS1 | 43,526 | $1,030 NZD |
| N+ | VS2 | 18,380 | $1,036 NZD |
| N+ | VVS1 | 2,966 | $1,220 NZD |
| N+ | VVS2 | 28,841 | $1,068 NZD |
| N+ | other | 11,211 | $2,857 NZD |