Lab Grown Cushion 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 | $2,364 | $2,307 | $825 | $750 | $550 | $544 | $448 | $650 | $2,388 |
| F-G | $2,126 | $1,312 | $722 | $540 | $484 | $500 | $478 | $942 | $1,434 |
| H-I | - | $2,072 | $1,246 | $705 | $768 | $920 | $1,318 | $2,237 | $2,679 |
| J-K | - | $1,340 | $1,957 | $1,001 | $1,047 | $1,335 | $1,425 | $3,828 | $4,059 |
| L-M | - | - | - | $692 | $560 | $776 | $1,343 | - | - |
| N+ | - | $1,600 | $789 | $671 | $618 | $752 | $882 | $853 | $325 |
By Carat Weight
0.20-0.29
447 listings
Avg: $2,014 AUD/ct
0.30-0.49
12,079 listings
Avg: $1,746 AUD/ct
0.50-0.74
37,321 listings
Avg: $1,481 AUD/ct
0.75-0.99
42,518 listings
Avg: $1,364 AUD/ct
1.00-1.24
166,147 listings
Avg: $1,429 AUD/ct
1.25-1.49
39,007 listings
Avg: $1,154 AUD/ct
1.50-1.99
190,271 listings
Avg: $1,514 AUD/ct
2.00-2.49
247,235 listings
Avg: $1,578 AUD/ct
2.50-2.99
157,439 listings
Avg: $1,659 AUD/ct
3.00-3.99
246,229 listings
Avg: $1,490 AUD/ct
4.00-4.99
109,228 listings
Avg: $1,680 AUD/ct
5.00-9.99
102,432 listings
Avg: $2,026 AUD/ct
10.00+
13,588 listings
Avg: $2,348 AUD/ct
unknown
31 listings
Avg: $2,836 AUD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 31,302 | $3,318 AUD |
| D-E | I | 34 | $3,351 AUD |
| D-E | IF | 36,792 | $3,238 AUD |
| D-E | SI1 | 6,280 | $629 AUD |
| D-E | SI2 | 674 | $912 AUD |
| D-E | VS1 | 302,084 | $772 AUD |
| D-E | VS2 | 59,025 | $763 AUD |
| D-E | VVS1 | 128,615 | $1,158 AUD |
| D-E | VVS2 | 385,263 | $1,053 AUD |
| F-G | FL | 231 | $2,983 AUD |
| F-G | I | 73 | $2,012 AUD |
| F-G | IF | 1,766 | $1,841 AUD |
| F-G | SI1 | 3,749 | $671 AUD |
| F-G | SI2 | 434 | $1,322 AUD |
| F-G | VS1 | 123,144 | $679 AUD |
| F-G | VS2 | 29,302 | $701 AUD |
| F-G | VVS1 | 12,360 | $1,013 AUD |
| F-G | VVS2 | 112,167 | $758 AUD |
| H-I | I | 46 | $3,760 AUD |
| H-I | IF | 85 | $2,907 AUD |
| H-I | SI1 | 1,166 | $1,849 AUD |
| H-I | SI2 | 346 | $3,139 AUD |
| H-I | VS1 | 10,110 | $1,078 AUD |
| H-I | VS2 | 3,775 | $1,291 AUD |
| H-I | VVS1 | 785 | $1,748 AUD |
| H-I | VVS2 | 5,129 | $989 AUD |
| J-K | I | 157 | $5,697 AUD |
| J-K | IF | 35 | $1,880 AUD |
| J-K | SI1 | 1,296 | $2,000 AUD |
| J-K | SI2 | 266 | $5,373 AUD |
| J-K | VS1 | 975 | $1,469 AUD |
| J-K | VS2 | 919 | $1,873 AUD |
| J-K | VVS1 | 111 | $2,746 AUD |
| J-K | VVS2 | 449 | $1,405 AUD |
| L-M | SI1 | 27 | $1,885 AUD |
| L-M | VS1 | 232 | $786 AUD |
| L-M | VS2 | 38 | $1,089 AUD |
| L-M | VVS2 | 108 | $971 AUD |
| N+ | I | 38 | $456 AUD |
| N+ | IF | 427 | $2,245 AUD |
| N+ | SI1 | 3,108 | $1,237 AUD |
| N+ | SI2 | 563 | $1,197 AUD |
| N+ | VS1 | 45,862 | $867 AUD |
| N+ | VS2 | 17,378 | $1,055 AUD |
| N+ | VVS1 | 2,508 | $1,108 AUD |
| N+ | VVS2 | 27,018 | $941 AUD |
| N+ | other | 7,720 | $2,537 AUD |