Lab Grown Round Diamond Prices in New Zealand
Last updated: October 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $1,152 | $892 | $644 | $482 | $466 | $471 | $455 | $508 | $588 |
| F-G | $1,145 | $740 | $566 | $458 | $453 | $490 | $502 | $541 | $892 |
| H-I | - | $908 | $621 | $504 | $596 | $770 | $982 | $1,012 | $1,756 |
| J-K | - | $3,250 | $724 | $942 | $893 | $903 | $2,191 | $1,263 | $734 |
| L-M | - | $1,153 | $749 | $776 | $932 | $1,097 | $823 | $900 | $716 |
| N+ | $949 | $1,957 | $935 | $514 | $532 | $649 | $843 | $876 | $488 |
By Carat Weight
0.20-0.29
87,976 listings
Avg: $1,230 NZD/ct
0.30-0.49
518,850 listings
Avg: $1,620 NZD/ct
0.50-0.74
574,643 listings
Avg: $1,613 NZD/ct
0.75-0.99
229,760 listings
Avg: $1,211 NZD/ct
1.00-1.24
1,820,576 listings
Avg: $1,187 NZD/ct
1.25-1.49
387,069 listings
Avg: $1,025 NZD/ct
1.50-1.99
1,644,462 listings
Avg: $1,179 NZD/ct
2.00-2.49
1,337,734 listings
Avg: $1,940 NZD/ct
2.50-2.99
743,570 listings
Avg: $1,645 NZD/ct
3.00-3.99
864,073 listings
Avg: $1,724 NZD/ct
4.00-4.99
454,177 listings
Avg: $1,758 NZD/ct
5.00-9.99
491,646 listings
Avg: $1,457 NZD/ct
10.00+
42,147 listings
Avg: $1,033 NZD/ct
unknown
8,952 listings
Avg: $1,447 NZD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 194,445 | $2,053 NZD |
| D-E | I | 590 | $1,047 NZD |
| D-E | IF | 277,185 | $1,590 NZD |
| D-E | SI1 | 66,441 | $810 NZD |
| D-E | SI2 | 8,568 | $905 NZD |
| D-E | VS1 | 1,924,979 | $830 NZD |
| D-E | VS2 | 485,085 | $839 NZD |
| D-E | VVS1 | 1,062,741 | $1,147 NZD |
| D-E | VVS2 | 2,968,238 | $860 NZD |
| F-G | FL | 1,892 | $2,041 NZD |
| F-G | I | 433 | $1,590 NZD |
| F-G | IF | 16,473 | $1,318 NZD |
| F-G | SI1 | 24,254 | $895 NZD |
| F-G | SI2 | 2,949 | $964 NZD |
| F-G | VS1 | 579,027 | $807 NZD |
| F-G | VS2 | 163,842 | $873 NZD |
| F-G | VVS1 | 136,151 | $1,009 NZD |
| F-G | VVS2 | 818,535 | $817 NZD |
| H-I | I | 377 | $3,128 NZD |
| H-I | IF | 616 | $1,618 NZD |
| H-I | SI1 | 13,200 | $1,749 NZD |
| H-I | SI2 | 4,501 | $1,802 NZD |
| H-I | VS1 | 53,466 | $1,062 NZD |
| H-I | VS2 | 21,715 | $1,371 NZD |
| H-I | VVS1 | 7,691 | $1,107 NZD |
| H-I | VVS2 | 40,521 | $899 NZD |
| J-K | I | 264 | $1,307 NZD |
| J-K | IF | 150 | $5,791 NZD |
| J-K | SI1 | 10,706 | $3,903 NZD |
| J-K | SI2 | 4,313 | $2,250 NZD |
| J-K | VS1 | 27,976 | $1,590 NZD |
| J-K | VS2 | 16,702 | $1,609 NZD |
| J-K | VVS1 | 424 | $1,290 NZD |
| J-K | VVS2 | 6,032 | $1,678 NZD |
| L-M | I | 12 | $1,276 NZD |
| L-M | IF | 10 | $2,055 NZD |
| L-M | SI1 | 300 | $1,466 NZD |
| L-M | SI2 | 90 | $1,603 NZD |
| L-M | VS1 | 446 | $1,661 NZD |
| L-M | VS2 | 288 | $1,955 NZD |
| L-M | VVS1 | 69 | $1,333 NZD |
| L-M | VVS2 | 360 | $1,382 NZD |
| N+ | FL | 164 | $1,691 NZD |
| N+ | I | 1,610 | $870 NZD |
| N+ | IF | 2,062 | $3,487 NZD |
| N+ | SI1 | 19,948 | $1,501 NZD |
| N+ | SI2 | 7,280 | $1,560 NZD |
| N+ | VS1 | 99,902 | $948 NZD |
| N+ | VS2 | 47,051 | $1,156 NZD |
| N+ | VVS1 | 11,031 | $1,666 NZD |
| N+ | VVS2 | 64,129 | $915 NZD |
| N+ | other | 10,401 | $2,933 NZD |