Natural Cushion Diamond Prices in Australia
As of June 2026, there are 390,897 natural cushion diamonds available. Prices range from $730 AUD/ct to $260,696 AUD/ct, with an average of $11,663 AUD/ct.
Last updated: June 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $21K | $16K | $9,102 | $9,865 | $14K | $11K | $7,827 | $6,523 | $5,101 |
| F-G | $3,625 | $6,808 | $9,207 | $12K | $12K | $11K | $6,916 | $5,637 | $3,884 |
| H-I | $4,395 | $7,653 | $7,149 | $7,190 | $6,996 | $8,449 | $5,809 | $7,002 | $4,423 |
| J-K | $1,764 | $5,694 | $5,166 | $5,033 | $4,714 | $6,183 | $6,005 | $5,487 | $4,145 |
| L-M | - | $1,888 | $1,786 | $3,075 | $3,164 | $3,226 | $3,780 | $3,691 | $1,939 |
| N+ | $9,513 | $7,507 | $6,883 | $8,328 | $11K | $9,075 | $7,531 | $8,640 | $7,923 |
By Carat Weight
0.20-0.29
2,794 listings
Avg: $8,754 AUD/ct
0.30-0.49
25,826 listings
Avg: $3,317 AUD/ct
0.50-0.74
79,557 listings
Avg: $2,906 AUD/ct
0.75-0.99
41,314 listings
Avg: $3,354 AUD/ct
1.00-1.24
98,224 listings
Avg: $4,300 AUD/ct
1.25-1.49
9,084 listings
Avg: $5,578 AUD/ct
1.50-1.99
64,172 listings
Avg: $6,411 AUD/ct
2.00-2.49
39,238 listings
Avg: $9,913 AUD/ct
2.50-2.99
8,995 listings
Avg: $13,330 AUD/ct
3.00-3.99
13,118 listings
Avg: $16,733 AUD/ct
4.00-4.99
2,962 listings
Avg: $23,581 AUD/ct
5.00-9.99
4,487 listings
Avg: $30,036 AUD/ct
10.00+
398 listings
Avg: $45,756 AUD/ct
unknown
728 listings
Avg: $20,680 AUD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 275 | $32,511 AUD |
| D-E | I | 609 | $7,848 AUD |
| D-E | IF | 3,111 | $24,929 AUD |
| D-E | SI1 | 13,544 | $12,042 AUD |
| D-E | SI2 | 6,612 | $10,036 AUD |
| D-E | VS1 | 21,701 | $21,350 AUD |
| D-E | VS2 | 18,424 | $17,684 AUD |
| D-E | VVS1 | 12,185 | $14,003 AUD |
| D-E | VVS2 | 14,596 | $15,178 AUD |
| F-G | FL | 46 | $5,577 AUD |
| F-G | I | 759 | $5,975 AUD |
| F-G | IF | 4,019 | $10,473 AUD |
| F-G | SI1 | 16,450 | $10,640 AUD |
| F-G | SI2 | 8,561 | $8,672 AUD |
| F-G | VS1 | 28,094 | $17,981 AUD |
| F-G | VS2 | 25,397 | $16,870 AUD |
| F-G | VVS1 | 15,455 | $14,164 AUD |
| F-G | VVS2 | 18,287 | $18,223 AUD |
| H-I | FL | 49 | $6,762 AUD |
| H-I | I | 905 | $6,804 AUD |
| H-I | IF | 3,303 | $11,773 AUD |
| H-I | SI1 | 16,912 | $8,937 AUD |
| H-I | SI2 | 9,068 | $10,773 AUD |
| H-I | VS1 | 23,830 | $10,763 AUD |
| H-I | VS2 | 22,485 | $12,998 AUD |
| H-I | VVS1 | 12,416 | $10,998 AUD |
| H-I | VVS2 | 15,844 | $11,062 AUD |
| J-K | FL | 26 | $2,713 AUD |
| J-K | I | 462 | $6,377 AUD |
| J-K | IF | 1,099 | $8,760 AUD |
| J-K | SI1 | 9,024 | $9,238 AUD |
| J-K | SI2 | 5,184 | $8,442 AUD |
| J-K | VS1 | 9,692 | $7,253 AUD |
| J-K | VS2 | 9,191 | $9,513 AUD |
| J-K | VVS1 | 4,847 | $7,948 AUD |
| J-K | VVS2 | 5,884 | $7,743 AUD |
| L-M | I | 86 | $2,984 AUD |
| L-M | IF | 177 | $2,905 AUD |
| L-M | SI1 | 1,316 | $5,815 AUD |
| L-M | SI2 | 734 | $5,678 AUD |
| L-M | VS1 | 1,149 | $4,868 AUD |
| L-M | VS2 | 1,364 | $4,962 AUD |
| L-M | VVS1 | 562 | $2,748 AUD |
| L-M | VVS2 | 833 | $4,731 AUD |
| N+ | FL | 62 | $14,635 AUD |
| N+ | I | 1,038 | $12,189 AUD |
| N+ | IF | 1,067 | $11,549 AUD |
| N+ | SI1 | 4,075 | $11,586 AUD |
| N+ | SI2 | 2,509 | $13,292 AUD |
| N+ | VS1 | 5,888 | $16,216 AUD |
| N+ | VS2 | 5,141 | $13,962 AUD |
| N+ | VVS1 | 2,363 | $10,590 AUD |
| N+ | VVS2 | 3,393 | $12,812 AUD |
| N+ | other | 794 | $19,212 AUD |