Lab Grown Radiant Diamond Prices in Australia
Last updated: October 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $1,288 | $1,005 | $686 | $536 | $499 | $483 | $444 | $492 | $340 |
| F-G | $1,229 | $881 | $608 | $480 | $479 | $497 | $460 | $469 | - |
| H-I | - | $1,120 | $1,004 | $467 | $550 | $688 | $833 | $619 | $168 |
| J-K | - | - | $1,113 | $509 | $1,648 | $1,789 | $921 | $908 | - |
| L-M | - | - | - | $483 | $411 | $328 | $256 | - | - |
| N+ | $1,516 | $1,717 | $647 | $526 | $507 | $531 | $535 | $559 | $691 |
By Carat Weight
0.20-0.29
1,479 listings
Avg: $893 AUD/ct
0.30-0.49
25,401 listings
Avg: $1,256 AUD/ct
0.50-0.74
81,288 listings
Avg: $1,122 AUD/ct
0.75-0.99
64,829 listings
Avg: $917 AUD/ct
1.00-1.24
278,242 listings
Avg: $891 AUD/ct
1.25-1.49
81,002 listings
Avg: $906 AUD/ct
1.50-1.99
336,079 listings
Avg: $875 AUD/ct
2.00-2.49
316,465 listings
Avg: $1,315 AUD/ct
2.50-2.99
147,523 listings
Avg: $1,390 AUD/ct
3.00-3.99
327,492 listings
Avg: $1,019 AUD/ct
4.00-4.99
188,222 listings
Avg: $1,003 AUD/ct
5.00-9.99
243,463 listings
Avg: $1,149 AUD/ct
10.00+
31,040 listings
Avg: $761 AUD/ct
unknown
33 listings
Avg: $793 AUD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 49,129 | $1,831 AUD |
| D-E | I | 23 | $483 AUD |
| D-E | IF | 102,706 | $1,428 AUD |
| D-E | SI1 | 7,729 | $631 AUD |
| D-E | SI2 | 448 | $700 AUD |
| D-E | VS1 | 395,197 | $709 AUD |
| D-E | VS2 | 83,672 | $687 AUD |
| D-E | VVS1 | 247,683 | $975 AUD |
| D-E | VVS2 | 483,183 | $762 AUD |
| F-G | FL | 422 | $1,747 AUD |
| F-G | IF | 5,325 | $1,252 AUD |
| F-G | SI1 | 6,710 | $654 AUD |
| F-G | SI2 | 479 | $667 AUD |
| F-G | VS1 | 186,267 | $681 AUD |
| F-G | VS2 | 48,457 | $707 AUD |
| F-G | VVS1 | 18,482 | $865 AUD |
| F-G | VVS2 | 169,168 | $682 AUD |
| H-I | I | 11 | $239 AUD |
| H-I | IF | 310 | $1,593 AUD |
| H-I | SI1 | 1,115 | $1,184 AUD |
| H-I | SI2 | 102 | $880 AUD |
| H-I | VS1 | 16,264 | $782 AUD |
| H-I | VS2 | 5,894 | $978 AUD |
| H-I | VVS1 | 1,046 | $1,427 AUD |
| H-I | VVS2 | 9,783 | $664 AUD |
| J-K | SI1 | 61 | $1,310 AUD |
| J-K | SI2 | 12 | $1,291 AUD |
| J-K | VS1 | 344 | $2,344 AUD |
| J-K | VS2 | 255 | $2,544 AUD |
| J-K | VVS1 | 12 | $1,582 AUD |
| J-K | VVS2 | 250 | $724 AUD |
| L-M | SI1 | 10 | $364 AUD |
| L-M | VS1 | 18 | $585 AUD |
| L-M | VS2 | 10 | $467 AUD |
| L-M | VVS2 | 60 | $686 AUD |
| N+ | FL | 117 | $2,155 AUD |
| N+ | I | 291 | $982 AUD |
| N+ | IF | 1,079 | $2,441 AUD |
| N+ | SI1 | 9,878 | $761 AUD |
| N+ | SI2 | 1,761 | $795 AUD |
| N+ | VS1 | 126,224 | $721 AUD |
| N+ | VS2 | 54,717 | $755 AUD |
| N+ | VVS1 | 5,154 | $921 AUD |
| N+ | VVS2 | 74,506 | $748 AUD |
| N+ | other | 8,194 | $2,330 AUD |