Lab Grown Radiant Diamond Prices in Australia
Last updated: September 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $1,643 | $1,165 | $818 | $539 | $598 | $546 | $451 | $912 | $1,263 |
| F-G | $1,528 | $989 | $660 | $665 | $511 | $561 | $558 | $708 | $775 |
| H-I | - | $1,289 | $1,152 | $598 | $601 | $796 | $1,062 | $4,966 | $3,583 |
| J-K | - | $1,894 | $1,932 | $805 | $1,795 | $1,302 | $2,757 | $3,340 | $4,058 |
| L-M | - | - | $902 | $781 | $846 | $913 | - | - | - |
| N+ | $1,687 | $1,626 | $770 | $654 | $595 | $619 | $603 | $841 | $1,728 |
By Carat Weight
0.20-0.29
651 listings
Avg: $1,607 AUD/ct
0.30-0.49
16,992 listings
Avg: $1,809 AUD/ct
0.50-0.74
58,782 listings
Avg: $1,434 AUD/ct
0.75-0.99
37,781 listings
Avg: $1,410 AUD/ct
1.00-1.24
164,836 listings
Avg: $1,464 AUD/ct
1.25-1.49
42,645 listings
Avg: $1,365 AUD/ct
1.50-1.99
188,762 listings
Avg: $1,587 AUD/ct
2.00-2.49
182,978 listings
Avg: $1,763 AUD/ct
2.50-2.99
84,563 listings
Avg: $2,016 AUD/ct
3.00-3.99
223,233 listings
Avg: $2,012 AUD/ct
4.00-4.99
153,046 listings
Avg: $2,265 AUD/ct
5.00-9.99
120,034 listings
Avg: $2,964 AUD/ct
10.00+
15,713 listings
Avg: $996 AUD/ct
unknown
55 listings
Avg: $1,247 AUD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 31,878 | $2,528 AUD |
| D-E | I | 16 | $1,943 AUD |
| D-E | IF | 62,259 | $1,792 AUD |
| D-E | SI1 | 4,165 | $693 AUD |
| D-E | SI2 | 313 | $1,402 AUD |
| D-E | VS1 | 259,912 | $920 AUD |
| D-E | VS2 | 44,424 | $840 AUD |
| D-E | VVS1 | 144,440 | $1,258 AUD |
| D-E | VVS2 | 357,486 | $830 AUD |
| F-G | FL | 214 | $2,351 AUD |
| F-G | I | 35 | $1,193 AUD |
| F-G | IF | 3,097 | $1,522 AUD |
| F-G | SI1 | 3,732 | $858 AUD |
| F-G | SI2 | 392 | $1,089 AUD |
| F-G | VS1 | 113,636 | $786 AUD |
| F-G | VS2 | 27,269 | $862 AUD |
| F-G | VVS1 | 11,844 | $1,015 AUD |
| F-G | VVS2 | 112,931 | $1,023 AUD |
| F-G | other | 20 | $737 AUD |
| H-I | I | 37 | $5,513 AUD |
| H-I | IF | 175 | $1,983 AUD |
| H-I | SI1 | 993 | $1,634 AUD |
| H-I | SI2 | 204 | $7,640 AUD |
| H-I | VS1 | 9,863 | $924 AUD |
| H-I | VS2 | 3,582 | $1,224 AUD |
| H-I | VVS1 | 718 | $1,773 AUD |
| H-I | VVS2 | 5,843 | $921 AUD |
| J-K | I | 226 | $6,242 AUD |
| J-K | IF | 21 | $2,913 AUD |
| J-K | SI1 | 689 | $4,241 AUD |
| J-K | SI2 | 142 | $5,138 AUD |
| J-K | VS1 | 345 | $2,761 AUD |
| J-K | VS2 | 475 | $2,003 AUD |
| J-K | VVS1 | 60 | $2,972 AUD |
| J-K | VVS2 | 215 | $1,239 AUD |
| L-M | VS1 | 10 | $1,301 AUD |
| L-M | VS2 | 10 | $1,404 AUD |
| L-M | VVS1 | 12 | $1,387 AUD |
| L-M | VVS2 | 26 | $1,202 AUD |
| N+ | FL | 10 | $2,595 AUD |
| N+ | I | 11 | $2,658 AUD |
| N+ | IF | 499 | $2,501 AUD |
| N+ | SI1 | 2,665 | $928 AUD |
| N+ | SI2 | 365 | $1,294 AUD |
| N+ | VS1 | 37,629 | $916 AUD |
| N+ | VS2 | 15,457 | $952 AUD |
| N+ | VVS1 | 1,497 | $1,185 AUD |
| N+ | VVS2 | 22,524 | $1,007 AUD |
| N+ | other | 7,705 | $2,521 AUD |