Natural Cushion Diamond Prices in Australia
As of July 2026, there are 456,033 natural cushion diamonds available. Prices range from $871 AUD/ct to $234,462 AUD/ct, with an average of $11,859 AUD/ct.
Last updated: July 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $20K | $16K | $11K | $9,691 | $13K | $12K | $10K | $6,051 | $5,473 |
| F-G | $3,591 | $8,974 | $9,096 | $12K | $12K | $11K | $6,806 | $5,628 | $4,687 |
| H-I | $4,108 | $7,989 | $6,444 | $6,942 | $6,721 | $7,399 | $5,665 | $6,792 | $4,842 |
| J-K | $1,677 | $5,799 | $4,545 | $4,907 | $4,717 | $5,764 | $5,981 | $5,403 | $4,558 |
| L-M | - | $2,094 | $1,914 | $2,888 | $3,039 | $3,099 | $3,714 | $3,654 | $1,880 |
| N+ | $7,251 | $9,617 | $7,206 | $8,917 | $11K | $9,604 | $8,524 | $8,909 | $7,832 |
By Carat Weight
0.20-0.29
4,253 listings
Avg: $9,752 AUD/ct
0.30-0.49
37,563 listings
Avg: $3,957 AUD/ct
0.50-0.74
85,603 listings
Avg: $3,074 AUD/ct
0.75-0.99
43,867 listings
Avg: $3,433 AUD/ct
1.00-1.24
114,256 listings
Avg: $4,484 AUD/ct
1.25-1.49
10,841 listings
Avg: $5,628 AUD/ct
1.50-1.99
76,649 listings
Avg: $6,333 AUD/ct
2.00-2.49
46,276 listings
Avg: $9,171 AUD/ct
2.50-2.99
11,042 listings
Avg: $13,437 AUD/ct
3.00-3.99
15,839 listings
Avg: $16,413 AUD/ct
4.00-4.99
3,637 listings
Avg: $24,533 AUD/ct
5.00-9.99
4,693 listings
Avg: $28,386 AUD/ct
10.00+
508 listings
Avg: $46,356 AUD/ct
unknown
1,006 listings
Avg: $20,475 AUD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 261 | $31,184 AUD |
| D-E | I | 873 | $8,421 AUD |
| D-E | IF | 3,245 | $24,768 AUD |
| D-E | SI1 | 16,368 | $15,665 AUD |
| D-E | SI2 | 8,300 | $9,310 AUD |
| D-E | VS1 | 24,242 | $19,372 AUD |
| D-E | VS2 | 21,268 | $18,541 AUD |
| D-E | VVS1 | 13,685 | $17,411 AUD |
| D-E | VVS2 | 16,259 | $14,909 AUD |
| F-G | FL | 46 | $5,525 AUD |
| F-G | I | 1,121 | $7,210 AUD |
| F-G | IF | 4,233 | $13,807 AUD |
| F-G | SI1 | 18,479 | $10,471 AUD |
| F-G | SI2 | 10,204 | $8,659 AUD |
| F-G | VS1 | 29,813 | $17,792 AUD |
| F-G | VS2 | 28,320 | $17,663 AUD |
| F-G | VVS1 | 17,061 | $13,995 AUD |
| F-G | VVS2 | 19,763 | $17,910 AUD |
| H-I | FL | 51 | $6,319 AUD |
| H-I | I | 1,261 | $7,450 AUD |
| H-I | IF | 3,505 | $12,290 AUD |
| H-I | SI1 | 19,377 | $8,715 AUD |
| H-I | SI2 | 11,148 | $10,450 AUD |
| H-I | VS1 | 27,309 | $10,341 AUD |
| H-I | VS2 | 25,862 | $11,384 AUD |
| H-I | VVS1 | 14,218 | $9,913 AUD |
| H-I | VVS2 | 18,276 | $10,680 AUD |
| J-K | FL | 23 | $2,580 AUD |
| J-K | I | 692 | $7,012 AUD |
| J-K | IF | 1,183 | $8,922 AUD |
| J-K | SI1 | 10,317 | $9,202 AUD |
| J-K | SI2 | 5,961 | $8,312 AUD |
| J-K | VS1 | 11,025 | $7,257 AUD |
| J-K | VS2 | 10,402 | $8,867 AUD |
| J-K | VVS1 | 5,595 | $6,993 AUD |
| J-K | VVS2 | 6,656 | $7,550 AUD |
| L-M | I | 123 | $2,892 AUD |
| L-M | IF | 163 | $3,222 AUD |
| L-M | SI1 | 1,430 | $5,714 AUD |
| L-M | SI2 | 795 | $5,621 AUD |
| L-M | VS1 | 1,198 | $4,676 AUD |
| L-M | VS2 | 1,456 | $4,768 AUD |
| L-M | VVS1 | 551 | $2,944 AUD |
| L-M | VVS2 | 935 | $4,443 AUD |
| N+ | FL | 142 | $11,156 AUD |
| N+ | I | 1,984 | $12,049 AUD |
| N+ | IF | 1,451 | $14,795 AUD |
| N+ | SI1 | 7,176 | $13,114 AUD |
| N+ | SI2 | 4,725 | $13,707 AUD |
| N+ | VS1 | 8,652 | $17,214 AUD |
| N+ | VS2 | 8,997 | $14,775 AUD |
| N+ | VVS1 | 3,563 | $11,086 AUD |
| N+ | VVS2 | 5,009 | $13,719 AUD |
| N+ | other | 1,281 | $20,688 AUD |