Lab Grown Cushion Diamond Prices in Australia
As of July 2026, there are 1,161,198 lab grown cushion diamonds available. Prices range from $131 AUD/ct to $41,670 AUD/ct, with an average of $1,966 AUD/ct.
Last updated: July 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $3,134 | $2,464 | $886 | $771 | $620 | $632 | $474 | $792 | $2,820 |
| F-G | $2,608 | $1,313 | $848 | $651 | $591 | $576 | $589 | $1,049 | $2,499 |
| H-I | - | $1,970 | $1,144 | $873 | $865 | $1,036 | $1,359 | $2,658 | $2,839 |
| J-K | - | $1,378 | $1,982 | $1,009 | $1,082 | $1,428 | $2,139 | $4,066 | $4,771 |
| L-M | - | - | - | $830 | $608 | $1,261 | $1,345 | - | - |
| N+ | - | $1,701 | $901 | $778 | $705 | $839 | $923 | $874 | $281 |
By Carat Weight
0.20-0.29
559 listings
Avg: $2,295 AUD/ct
0.30-0.49
13,894 listings
Avg: $1,970 AUD/ct
0.50-0.74
37,646 listings
Avg: $1,741 AUD/ct
0.75-0.99
41,402 listings
Avg: $1,664 AUD/ct
1.00-1.24
137,651 listings
Avg: $1,794 AUD/ct
1.25-1.49
40,823 listings
Avg: $1,457 AUD/ct
1.50-1.99
175,223 listings
Avg: $1,929 AUD/ct
2.00-2.49
201,086 listings
Avg: $1,966 AUD/ct
2.50-2.99
126,685 listings
Avg: $2,133 AUD/ct
3.00-3.99
204,574 listings
Avg: $1,883 AUD/ct
4.00-4.99
80,925 listings
Avg: $1,927 AUD/ct
5.00-9.99
86,906 listings
Avg: $2,555 AUD/ct
10.00+
13,682 listings
Avg: $2,788 AUD/ct
unknown
142 listings
Avg: $2,576 AUD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 23,439 | $4,821 AUD |
| D-E | I | 23 | $4,338 AUD |
| D-E | IF | 30,974 | $3,791 AUD |
| D-E | SI1 | 4,886 | $728 AUD |
| D-E | SI2 | 550 | $1,218 AUD |
| D-E | VS1 | 252,566 | $954 AUD |
| D-E | VS2 | 47,628 | $972 AUD |
| D-E | VVS1 | 115,250 | $1,363 AUD |
| D-E | VVS2 | 334,443 | $1,186 AUD |
| F-G | FL | 137 | $4,012 AUD |
| F-G | I | 31 | $3,845 AUD |
| F-G | IF | 1,459 | $2,020 AUD |
| F-G | SI1 | 2,966 | $907 AUD |
| F-G | SI2 | 309 | $1,614 AUD |
| F-G | VS1 | 97,946 | $909 AUD |
| F-G | VS2 | 24,931 | $886 AUD |
| F-G | VVS1 | 9,562 | $1,305 AUD |
| F-G | VVS2 | 91,710 | $1,001 AUD |
| H-I | I | 21 | $4,368 AUD |
| H-I | IF | 81 | $3,030 AUD |
| H-I | SI1 | 1,035 | $2,090 AUD |
| H-I | SI2 | 328 | $4,089 AUD |
| H-I | VS1 | 7,438 | $1,330 AUD |
| H-I | VS2 | 2,686 | $1,594 AUD |
| H-I | VVS1 | 382 | $1,759 AUD |
| H-I | VVS2 | 3,364 | $1,343 AUD |
| J-K | I | 106 | $7,341 AUD |
| J-K | IF | 28 | $2,119 AUD |
| J-K | SI1 | 1,064 | $3,291 AUD |
| J-K | SI2 | 266 | $6,255 AUD |
| J-K | VS1 | 875 | $1,665 AUD |
| J-K | VS2 | 1,076 | $2,198 AUD |
| J-K | VVS1 | 95 | $3,049 AUD |
| J-K | VVS2 | 394 | $1,552 AUD |
| L-M | SI1 | 26 | $2,070 AUD |
| L-M | VS1 | 120 | $935 AUD |
| L-M | VS2 | 13 | $1,940 AUD |
| L-M | VVS2 | 73 | $1,277 AUD |
| N+ | I | 24 | $433 AUD |
| N+ | IF | 491 | $2,616 AUD |
| N+ | SI1 | 3,161 | $1,420 AUD |
| N+ | SI2 | 612 | $1,344 AUD |
| N+ | VS1 | 46,228 | $1,084 AUD |
| N+ | VS2 | 17,492 | $1,291 AUD |
| N+ | VVS1 | 2,414 | $1,387 AUD |
| N+ | VVS2 | 26,693 | $1,196 AUD |
| N+ | other | 5,802 | $2,805 AUD |