Lab Grown Round Diamond Prices in New Zealand
As of July 2026, there are 6,517,325 lab grown round diamonds available. Prices range from $199 NZD/ct to $46,689 NZD/ct, with an average of $3,473 NZD/ct.
Last updated: July 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $1,962 | $1,846 | $963 | $672 | $633 | $617 | $704 | $2,668 | $3,815 |
| F-G | $1,831 | $1,831 | $1,512 | $953 | $932 | $1,097 | $1,146 | $3,219 | $3,483 |
| H-I | $1,377 | $3,356 | $1,432 | $1,097 | $1,236 | $1,601 | $2,297 | $3,922 | $2,877 |
| J-K | $1,341 | $5,560 | $6,283 | $2,190 | $1,285 | $2,105 | $2,798 | $3,486 | $2,525 |
| L-M | $6,292 | $4,122 | $3,538 | $4,171 | $3,146 | $3,193 | $2,970 | $2,938 | $1,642 |
| N+ | - | $2,101 | $846 | $699 | $698 | $779 | $948 | $1,495 | $811 |
By Carat Weight
0.20-0.29
63,508 listings
Avg: $1,831 NZD/ct
0.30-0.49
443,530 listings
Avg: $2,335 NZD/ct
0.50-0.74
633,876 listings
Avg: $2,428 NZD/ct
0.75-0.99
218,646 listings
Avg: $2,672 NZD/ct
1.00-1.24
1,317,568 listings
Avg: $2,594 NZD/ct
1.25-1.49
287,616 listings
Avg: $2,284 NZD/ct
1.50-1.99
1,195,488 listings
Avg: $2,896 NZD/ct
2.00-2.49
912,451 listings
Avg: $3,748 NZD/ct
2.50-2.99
403,753 listings
Avg: $4,415 NZD/ct
3.00-3.99
546,554 listings
Avg: $4,933 NZD/ct
4.00-4.99
229,743 listings
Avg: $6,799 NZD/ct
5.00-9.99
233,749 listings
Avg: $5,748 NZD/ct
10.00+
19,196 listings
Avg: $3,159 NZD/ct
unknown
11,647 listings
Avg: $2,873 NZD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 78,467 | $3,269 NZD |
| D-E | I | 3,558 | $6,358 NZD |
| D-E | IF | 185,719 | $3,076 NZD |
| D-E | SI1 | 52,605 | $1,174 NZD |
| D-E | SI2 | 15,403 | $4,447 NZD |
| D-E | VS1 | 1,395,385 | $1,055 NZD |
| D-E | VS2 | 334,204 | $1,028 NZD |
| D-E | VVS1 | 759,595 | $1,605 NZD |
| D-E | VVS2 | 2,173,868 | $1,119 NZD |
| F-G | FL | 717 | $3,051 NZD |
| F-G | I | 5,482 | $5,805 NZD |
| F-G | IF | 16,964 | $3,052 NZD |
| F-G | SI1 | 28,690 | $1,910 NZD |
| F-G | SI2 | 14,305 | $5,365 NZD |
| F-G | VS1 | 379,910 | $1,553 NZD |
| F-G | VS2 | 115,925 | $1,828 NZD |
| F-G | VVS1 | 86,960 | $2,520 NZD |
| F-G | VVS2 | 490,066 | $1,588 NZD |
| H-I | FL | 20 | $2,295 NZD |
| H-I | I | 5,515 | $4,795 NZD |
| H-I | IF | 4,918 | $5,593 NZD |
| H-I | SI1 | 20,546 | $3,828 NZD |
| H-I | SI2 | 13,182 | $6,537 NZD |
| H-I | VS1 | 50,671 | $2,060 NZD |
| H-I | VS2 | 30,606 | $2,668 NZD |
| H-I | VVS1 | 14,489 | $2,386 NZD |
| H-I | VVS2 | 34,718 | $1,828 NZD |
| J-K | FL | 12 | $2,236 NZD |
| J-K | I | 3,696 | $4,208 NZD |
| J-K | IF | 2,514 | $9,267 NZD |
| J-K | SI1 | 13,544 | $4,664 NZD |
| J-K | SI2 | 8,185 | $5,810 NZD |
| J-K | VS1 | 24,525 | $2,142 NZD |
| J-K | VS2 | 16,121 | $3,508 NZD |
| J-K | VVS1 | 5,707 | $10,471 NZD |
| J-K | VVS2 | 9,398 | $3,650 NZD |
| L-M | FL | 10 | $10,487 NZD |
| L-M | I | 631 | $2,736 NZD |
| L-M | IF | 778 | $6,871 NZD |
| L-M | SI1 | 2,416 | $4,951 NZD |
| L-M | SI2 | 1,768 | $4,897 NZD |
| L-M | VS1 | 2,096 | $5,243 NZD |
| L-M | VS2 | 2,301 | $5,321 NZD |
| L-M | VVS1 | 1,965 | $5,897 NZD |
| L-M | VVS2 | 2,006 | $6,952 NZD |
| N+ | I | 1,371 | $1,351 NZD |
| N+ | IF | 729 | $3,501 NZD |
| N+ | SI1 | 7,558 | $1,580 NZD |
| N+ | SI2 | 2,891 | $2,492 NZD |
| N+ | VS1 | 40,901 | $1,163 NZD |
| N+ | VS2 | 19,283 | $1,298 NZD |
| N+ | VVS1 | 4,140 | $1,410 NZD |
| N+ | VVS2 | 27,408 | $1,166 NZD |
| N+ | other | 2,883 | $2,775 NZD |