Lab Grown Cushion Diamond Prices in Australia
As of June 2026, there are 1,017,134 lab grown cushion diamonds available. Prices range from $131 AUD/ct to $44,053 AUD/ct, with an average of $2,187 AUD/ct.
Last updated: June 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $4,185 | $2,807 | $961 | $802 | $611 | $590 | $474 | $763 | $2,820 |
| F-G | $2,266 | $1,491 | $809 | $568 | $541 | $537 | $504 | $1,066 | $2,499 |
| H-I | - | $2,077 | $1,295 | $826 | $780 | $1,038 | $2,074 | $3,608 | $2,230 |
| J-K | - | $1,378 | $2,168 | $1,066 | $1,183 | $1,516 | $2,221 | $4,854 | $6,982 |
| L-M | - | - | - | $1,049 | $456 | $1,261 | $1,345 | - | - |
| N+ | - | $1,569 | $1,043 | $817 | $754 | $862 | $1,057 | $1,259 | $226 |
By Carat Weight
0.20-0.29
454 listings
Avg: $2,353 AUD/ct
0.30-0.49
10,538 listings
Avg: $2,099 AUD/ct
0.50-0.74
29,953 listings
Avg: $1,966 AUD/ct
0.75-0.99
37,732 listings
Avg: $1,761 AUD/ct
1.00-1.24
123,890 listings
Avg: $1,998 AUD/ct
1.25-1.49
35,107 listings
Avg: $1,391 AUD/ct
1.50-1.99
154,687 listings
Avg: $2,128 AUD/ct
2.00-2.49
196,741 listings
Avg: $1,989 AUD/ct
2.50-2.99
122,285 listings
Avg: $2,257 AUD/ct
3.00-3.99
176,899 listings
Avg: $2,085 AUD/ct
4.00-4.99
52,151 listings
Avg: $2,488 AUD/ct
5.00-9.99
66,417 listings
Avg: $3,535 AUD/ct
10.00+
10,241 listings
Avg: $2,855 AUD/ct
unknown
39 listings
Avg: $2,747 AUD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 10,043 | $6,438 AUD |
| D-E | I | 23 | $4,338 AUD |
| D-E | IF | 22,002 | $4,318 AUD |
| D-E | SI1 | 5,237 | $729 AUD |
| D-E | SI2 | 520 | $1,173 AUD |
| D-E | VS1 | 249,398 | $940 AUD |
| D-E | VS2 | 51,009 | $908 AUD |
| D-E | VVS1 | 82,626 | $1,479 AUD |
| D-E | VVS2 | 307,903 | $1,234 AUD |
| F-G | FL | 63 | $3,486 AUD |
| F-G | I | 31 | $3,845 AUD |
| F-G | IF | 1,165 | $2,294 AUD |
| F-G | SI1 | 2,951 | $775 AUD |
| F-G | SI2 | 329 | $1,640 AUD |
| F-G | VS1 | 97,390 | $832 AUD |
| F-G | VS2 | 24,749 | $826 AUD |
| F-G | VVS1 | 7,285 | $1,244 AUD |
| F-G | VVS2 | 83,450 | $874 AUD |
| H-I | I | 28 | $3,430 AUD |
| H-I | IF | 79 | $3,195 AUD |
| H-I | SI1 | 872 | $3,190 AUD |
| H-I | SI2 | 266 | $5,551 AUD |
| H-I | VS1 | 5,653 | $1,200 AUD |
| H-I | VS2 | 2,210 | $1,597 AUD |
| H-I | VVS1 | 334 | $1,992 AUD |
| H-I | VVS2 | 3,057 | $1,271 AUD |
| J-K | I | 78 | $10,742 AUD |
| J-K | IF | 28 | $2,119 AUD |
| J-K | SI1 | 820 | $3,417 AUD |
| J-K | SI2 | 227 | $7,467 AUD |
| J-K | VS1 | 714 | $1,820 AUD |
| J-K | VS2 | 853 | $2,333 AUD |
| J-K | VVS1 | 98 | $3,336 AUD |
| J-K | VVS2 | 336 | $1,640 AUD |
| L-M | SI1 | 26 | $2,070 AUD |
| L-M | VS1 | 25 | $701 AUD |
| L-M | VS2 | 13 | $1,940 AUD |
| L-M | VVS2 | 38 | $1,614 AUD |
| N+ | I | 19 | $348 AUD |
| N+ | IF | 332 | $2,413 AUD |
| N+ | SI1 | 1,916 | $1,626 AUD |
| N+ | SI2 | 353 | $1,936 AUD |
| N+ | VS1 | 24,070 | $1,159 AUD |
| N+ | VS2 | 9,743 | $1,327 AUD |
| N+ | VVS1 | 1,412 | $1,604 AUD |
| N+ | VVS2 | 13,893 | $1,257 AUD |
| N+ | other | 3,467 | $2,786 AUD |