Lab Grown Round 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 | $2,367 | $1,653 | $837 | $552 | $524 | $536 | $551 | $2,172 | $3,726 |
| F-G | $1,587 | $1,761 | $1,361 | $832 | $818 | $922 | $995 | $2,048 | $3,359 |
| H-I | $1,377 | $3,949 | $1,457 | $1,003 | $1,203 | $1,663 | $1,966 | $3,656 | $2,454 |
| J-K | $1,341 | $5,556 | $4,756 | $2,024 | $1,130 | $1,969 | $2,693 | $3,453 | $2,403 |
| L-M | $6,292 | $4,013 | $3,329 | $3,829 | $2,878 | $3,014 | $2,593 | $2,771 | $1,570 |
| N+ | $1,698 | $1,931 | $794 | $581 | $575 | $665 | $828 | $1,046 | $609 |
By Carat Weight
0.20-0.29
69,303 listings
Avg: $1,690 NZD/ct
0.30-0.49
521,883 listings
Avg: $2,244 NZD/ct
0.50-0.74
613,213 listings
Avg: $2,428 NZD/ct
0.75-0.99
260,810 listings
Avg: $2,544 NZD/ct
1.00-1.24
1,629,402 listings
Avg: $2,187 NZD/ct
1.25-1.49
339,957 listings
Avg: $1,944 NZD/ct
1.50-1.99
1,331,685 listings
Avg: $2,639 NZD/ct
2.00-2.49
945,650 listings
Avg: $3,564 NZD/ct
2.50-2.99
488,657 listings
Avg: $3,911 NZD/ct
3.00-3.99
532,152 listings
Avg: $4,257 NZD/ct
4.00-4.99
255,731 listings
Avg: $5,733 NZD/ct
5.00-9.99
246,748 listings
Avg: $5,389 NZD/ct
10.00+
21,499 listings
Avg: $3,878 NZD/ct
unknown
10,996 listings
Avg: $2,599 NZD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 110,853 | $3,945 NZD |
| D-E | I | 1,307 | $6,210 NZD |
| D-E | IF | 200,969 | $2,755 NZD |
| D-E | SI1 | 58,354 | $919 NZD |
| D-E | SI2 | 13,728 | $3,620 NZD |
| D-E | VS1 | 1,583,822 | $874 NZD |
| D-E | VS2 | 423,074 | $893 NZD |
| D-E | VVS1 | 860,594 | $1,395 NZD |
| D-E | VVS2 | 2,367,344 | $920 NZD |
| F-G | FL | 1,046 | $2,645 NZD |
| F-G | I | 2,017 | $5,599 NZD |
| F-G | IF | 16,623 | $2,935 NZD |
| F-G | SI1 | 28,927 | $1,659 NZD |
| F-G | SI2 | 11,942 | $3,413 NZD |
| F-G | VS1 | 434,814 | $1,364 NZD |
| F-G | VS2 | 127,266 | $1,537 NZD |
| F-G | VVS1 | 104,376 | $2,269 NZD |
| F-G | VVS2 | 574,606 | $1,386 NZD |
| H-I | FL | 20 | $2,295 NZD |
| H-I | I | 2,048 | $4,090 NZD |
| H-I | IF | 2,992 | $6,582 NZD |
| H-I | SI1 | 17,904 | $3,277 NZD |
| H-I | SI2 | 10,638 | $6,093 NZD |
| H-I | VS1 | 52,095 | $2,005 NZD |
| H-I | VS2 | 36,399 | $2,772 NZD |
| H-I | VVS1 | 13,052 | $2,428 NZD |
| H-I | VVS2 | 34,979 | $1,672 NZD |
| J-K | FL | 12 | $2,236 NZD |
| J-K | I | 1,869 | $4,006 NZD |
| J-K | IF | 1,142 | $9,261 NZD |
| J-K | SI1 | 10,548 | $4,489 NZD |
| J-K | SI2 | 4,934 | $5,755 NZD |
| J-K | VS1 | 20,738 | $1,884 NZD |
| J-K | VS2 | 13,417 | $3,281 NZD |
| J-K | VVS1 | 3,120 | $7,927 NZD |
| J-K | VVS2 | 6,438 | $3,374 NZD |
| L-M | FL | 10 | $10,487 NZD |
| L-M | I | 209 | $2,617 NZD |
| L-M | IF | 322 | $6,689 NZD |
| L-M | SI1 | 763 | $4,322 NZD |
| L-M | SI2 | 535 | $4,619 NZD |
| L-M | VS1 | 851 | $4,796 NZD |
| L-M | VS2 | 971 | $5,023 NZD |
| L-M | VVS1 | 755 | $5,549 NZD |
| L-M | VVS2 | 909 | $6,381 NZD |
| N+ | FL | 25 | $2,831 NZD |
| N+ | I | 1,147 | $1,015 NZD |
| N+ | IF | 698 | $3,218 NZD |
| N+ | SI1 | 7,332 | $1,381 NZD |
| N+ | SI2 | 2,611 | $1,743 NZD |
| N+ | VS1 | 39,119 | $958 NZD |
| N+ | VS2 | 17,968 | $1,108 NZD |
| N+ | VVS1 | 4,047 | $1,323 NZD |
| N+ | VVS2 | 26,107 | $968 NZD |
| N+ | other | 9,300 | $2,762 NZD |