Lab Grown Round Diamond Prices in New Zealand
As of June 2026, there are 6,288,643 lab grown round diamonds available. Prices range from $188 NZD/ct to $54,302 NZD/ct, with an average of $3,865 NZD/ct.
Last updated: June 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $3,388 | $1,605 | $1,039 | $732 | $691 | $655 | $675 | $3,795 | $3,677 |
| F-G | $2,512 | $1,843 | $1,218 | $763 | $732 | $852 | $845 | $3,033 | $3,461 |
| H-I | $1,377 | $4,997 | $2,287 | $949 | $1,075 | $1,516 | $3,036 | $4,832 | $3,198 |
| J-K | $1,341 | $5,523 | $5,916 | $2,981 | $2,002 | $3,299 | $3,198 | $4,991 | $4,265 |
| L-M | $6,637 | $4,181 | $3,508 | $4,090 | $3,262 | $3,319 | $3,010 | $2,931 | $1,661 |
| N+ | - | $2,023 | $1,006 | $787 | $767 | $819 | $933 | $1,485 | $825 |
By Carat Weight
0.20-0.29
58,053 listings
Avg: $1,887 NZD/ct
0.30-0.49
372,886 listings
Avg: $1,884 NZD/ct
0.50-0.74
567,629 listings
Avg: $2,049 NZD/ct
0.75-0.99
212,238 listings
Avg: $2,503 NZD/ct
1.00-1.24
1,327,541 listings
Avg: $2,506 NZD/ct
1.25-1.49
340,423 listings
Avg: $2,534 NZD/ct
1.50-1.99
1,201,093 listings
Avg: $3,256 NZD/ct
2.00-2.49
900,222 listings
Avg: $4,116 NZD/ct
2.50-2.99
368,079 listings
Avg: $5,256 NZD/ct
3.00-3.99
528,995 listings
Avg: $5,921 NZD/ct
4.00-4.99
196,870 listings
Avg: $8,617 NZD/ct
5.00-9.99
190,892 listings
Avg: $7,817 NZD/ct
10.00+
13,705 listings
Avg: $3,111 NZD/ct
unknown
10,017 listings
Avg: $2,806 NZD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 40,032 | $5,647 NZD |
| D-E | I | 4,694 | $6,129 NZD |
| D-E | IF | 158,904 | $2,675 NZD |
| D-E | SI1 | 45,217 | $1,126 NZD |
| D-E | SI2 | 11,049 | $6,326 NZD |
| D-E | VS1 | 1,517,900 | $1,151 NZD |
| D-E | VS2 | 373,192 | $1,092 NZD |
| D-E | VVS1 | 620,484 | $1,731 NZD |
| D-E | VVS2 | 2,110,484 | $1,220 NZD |
| F-G | FL | 445 | $4,186 NZD |
| F-G | I | 7,596 | $5,769 NZD |
| F-G | IF | 13,286 | $3,071 NZD |
| F-G | SI1 | 22,485 | $1,408 NZD |
| F-G | SI2 | 10,554 | $5,056 NZD |
| F-G | VS1 | 409,217 | $1,219 NZD |
| F-G | VS2 | 118,596 | $1,420 NZD |
| F-G | VVS1 | 58,997 | $2,031 NZD |
| F-G | VVS2 | 457,188 | $1,272 NZD |
| H-I | FL | 20 | $2,295 NZD |
| H-I | I | 6,912 | $5,329 NZD |
| H-I | IF | 5,505 | $8,328 NZD |
| H-I | SI1 | 13,544 | $5,060 NZD |
| H-I | SI2 | 10,142 | $8,054 NZD |
| H-I | VS1 | 38,778 | $1,792 NZD |
| H-I | VS2 | 23,905 | $2,526 NZD |
| H-I | VVS1 | 11,308 | $3,812 NZD |
| H-I | VVS2 | 26,759 | $1,582 NZD |
| J-K | FL | 12 | $2,236 NZD |
| J-K | I | 5,207 | $7,108 NZD |
| J-K | IF | 3,416 | $9,204 NZD |
| J-K | SI1 | 12,480 | $5,330 NZD |
| J-K | SI2 | 8,536 | $8,319 NZD |
| J-K | VS1 | 19,142 | $3,336 NZD |
| J-K | VS2 | 14,034 | $5,498 NZD |
| J-K | VVS1 | 5,901 | $9,860 NZD |
| J-K | VVS2 | 8,787 | $4,968 NZD |
| L-M | FL | 10 | $11,061 NZD |
| L-M | I | 1,613 | $2,769 NZD |
| L-M | IF | 1,029 | $6,969 NZD |
| L-M | SI1 | 3,440 | $5,017 NZD |
| L-M | SI2 | 3,138 | $4,886 NZD |
| L-M | VS1 | 2,746 | $5,436 NZD |
| L-M | VS2 | 2,943 | $5,531 NZD |
| L-M | VVS1 | 2,715 | $5,847 NZD |
| L-M | VVS2 | 2,674 | $6,817 NZD |
| N+ | I | 2,151 | $1,375 NZD |
| N+ | IF | 537 | $3,372 NZD |
| N+ | SI1 | 5,712 | $1,555 NZD |
| N+ | SI2 | 2,416 | $2,475 NZD |
| N+ | VS1 | 26,649 | $1,278 NZD |
| N+ | VS2 | 13,809 | $1,365 NZD |
| N+ | VVS1 | 2,750 | $1,677 NZD |
| N+ | VVS2 | 17,379 | $1,311 NZD |
| N+ | other | 2,224 | $2,740 NZD |