Natural Cushion Diamond Prices in Australia
As of August 2026, there are 468,826 natural cushion diamonds available. Prices range from $871 AUD/ct to $234,462 AUD/ct, with an average of $11,855 AUD/ct.
Last updated: August 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $20K | $16K | $11K | $9,695 | $13K | $12K | $10K | $6,039 | $5,389 |
| F-G | $3,591 | $8,962 | $9,079 | $12K | $11K | $11K | $6,788 | $5,611 | $4,650 |
| H-I | $4,108 | $8,058 | $6,449 | $6,946 | $6,701 | $7,385 | $5,670 | $6,784 | $4,775 |
| J-K | $1,677 | $5,796 | $4,539 | $4,904 | $4,706 | $5,760 | $5,956 | $5,371 | $4,523 |
| L-M | - | $2,086 | $1,926 | $2,891 | $3,039 | $3,091 | $3,707 | $3,656 | $1,878 |
| N+ | $7,165 | $9,517 | $7,156 | $8,929 | $11K | $9,627 | $8,529 | $8,925 | $7,858 |
By Carat Weight
0.20-0.29
4,258 listings
Avg: $9,929 AUD/ct
0.30-0.49
38,208 listings
Avg: $3,960 AUD/ct
0.50-0.74
88,821 listings
Avg: $3,066 AUD/ct
0.75-0.99
45,865 listings
Avg: $3,381 AUD/ct
1.00-1.24
118,744 listings
Avg: $4,497 AUD/ct
1.25-1.49
10,947 listings
Avg: $5,606 AUD/ct
1.50-1.99
78,288 listings
Avg: $6,321 AUD/ct
2.00-2.49
46,761 listings
Avg: $9,160 AUD/ct
2.50-2.99
11,076 listings
Avg: $13,445 AUD/ct
3.00-3.99
15,993 listings
Avg: $16,422 AUD/ct
4.00-4.99
3,663 listings
Avg: $24,476 AUD/ct
5.00-9.99
4,685 listings
Avg: $28,394 AUD/ct
10.00+
500 listings
Avg: $46,254 AUD/ct
unknown
1,017 listings
Avg: $20,475 AUD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 261 | $31,187 AUD |
| D-E | I | 1,049 | $8,290 AUD |
| D-E | IF | 3,342 | $24,724 AUD |
| D-E | SI1 | 17,082 | $15,631 AUD |
| D-E | SI2 | 8,650 | $9,290 AUD |
| D-E | VS1 | 25,057 | $19,447 AUD |
| D-E | VS2 | 22,064 | $18,594 AUD |
| D-E | VVS1 | 14,343 | $17,428 AUD |
| D-E | VVS2 | 17,108 | $14,915 AUD |
| F-G | FL | 46 | $5,525 AUD |
| F-G | I | 1,351 | $7,154 AUD |
| F-G | IF | 4,324 | $13,788 AUD |
| F-G | SI1 | 19,270 | $10,444 AUD |
| F-G | SI2 | 10,727 | $8,633 AUD |
| F-G | VS1 | 30,570 | $17,594 AUD |
| F-G | VS2 | 29,268 | $17,654 AUD |
| F-G | VVS1 | 17,764 | $13,967 AUD |
| F-G | VVS2 | 20,267 | $17,948 AUD |
| H-I | FL | 51 | $6,319 AUD |
| H-I | I | 1,493 | $7,346 AUD |
| H-I | IF | 3,512 | $12,396 AUD |
| H-I | SI1 | 19,943 | $8,723 AUD |
| H-I | SI2 | 11,587 | $10,437 AUD |
| H-I | VS1 | 27,774 | $10,309 AUD |
| H-I | VS2 | 26,431 | $11,361 AUD |
| H-I | VVS1 | 14,522 | $9,922 AUD |
| H-I | VVS2 | 18,713 | $10,686 AUD |
| J-K | FL | 23 | $2,580 AUD |
| J-K | I | 812 | $6,959 AUD |
| J-K | IF | 1,179 | $8,917 AUD |
| J-K | SI1 | 10,456 | $9,163 AUD |
| J-K | SI2 | 6,098 | $8,263 AUD |
| J-K | VS1 | 11,117 | $7,240 AUD |
| J-K | VS2 | 10,549 | $8,862 AUD |
| J-K | VVS1 | 5,703 | $6,983 AUD |
| J-K | VVS2 | 6,754 | $7,544 AUD |
| L-M | I | 122 | $2,889 AUD |
| L-M | IF | 160 | $3,209 AUD |
| L-M | SI1 | 1,432 | $5,703 AUD |
| L-M | SI2 | 796 | $5,624 AUD |
| L-M | VS1 | 1,187 | $4,676 AUD |
| L-M | VS2 | 1,450 | $4,755 AUD |
| L-M | VVS1 | 542 | $2,964 AUD |
| L-M | VVS2 | 917 | $4,448 AUD |
| N+ | FL | 143 | $11,024 AUD |
| N+ | I | 1,984 | $12,090 AUD |
| N+ | IF | 1,440 | $14,642 AUD |
| N+ | SI1 | 7,176 | $13,121 AUD |
| N+ | SI2 | 4,716 | $13,731 AUD |
| N+ | VS1 | 8,658 | $17,222 AUD |
| N+ | VS2 | 8,980 | $14,810 AUD |
| N+ | VVS1 | 3,560 | $11,010 AUD |
| N+ | VVS2 | 4,990 | $13,738 AUD |
| N+ | other | 1,313 | $21,250 AUD |