Natural Round Diamond Prices in Australia
As of July 2026, there are 4,816,287 natural round diamonds available. Prices range from $210 AUD/ct to $350,077 AUD/ct, with an average of $13,146 AUD/ct.
Last updated: July 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $28K | $20K | $24K | $18K | $13K | $15K | $12K | $6,829 | $4,449 |
| F-G | $15K | $18K | $15K | $15K | $14K | $12K | $10K | $7,718 | $3,900 |
| H-I | $7,147 | $12K | $11K | $11K | $9,652 | $9,128 | $7,758 | $5,656 | $3,396 |
| J-K | $3,654 | $6,943 | $6,742 | $6,785 | $6,592 | $6,207 | $6,155 | $4,832 | $3,117 |
| L-M | $3,033 | $4,575 | $3,887 | $5,293 | $4,991 | $4,155 | $3,940 | $3,728 | $2,178 |
| N+ | - | $4,350 | $3,795 | $1,443 | $4,255 | $3,388 | $3,912 | $6,263 | $4,713 |
By Carat Weight
0.20-0.29
232,189 listings
Avg: $2,583 AUD/ct
0.30-0.49
1,359,073 listings
Avg: $2,393 AUD/ct
0.50-0.74
1,343,675 listings
Avg: $2,679 AUD/ct
0.75-0.99
384,955 listings
Avg: $3,687 AUD/ct
1.00-1.24
665,514 listings
Avg: $5,248 AUD/ct
1.25-1.49
91,906 listings
Avg: $6,615 AUD/ct
1.50-1.99
337,979 listings
Avg: $8,072 AUD/ct
2.00-2.49
165,602 listings
Avg: $12,290 AUD/ct
2.50-2.99
51,075 listings
Avg: $15,033 AUD/ct
3.00-3.99
64,562 listings
Avg: $19,818 AUD/ct
4.00-4.99
18,519 listings
Avg: $25,079 AUD/ct
5.00-9.99
17,585 listings
Avg: $32,252 AUD/ct
10.00+
1,070 listings
Avg: $49,021 AUD/ct
unknown
82,583 listings
Avg: $9,821 AUD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 17,236 | $42,794 AUD |
| D-E | I | 21,123 | $6,844 AUD |
| D-E | IF | 118,423 | $30,584 AUD |
| D-E | SI1 | 172,968 | $17,818 AUD |
| D-E | SI2 | 115,900 | $10,506 AUD |
| D-E | VS1 | 198,848 | $19,715 AUD |
| D-E | VS2 | 184,529 | $23,506 AUD |
| D-E | VVS1 | 248,928 | $36,692 AUD |
| D-E | VVS2 | 213,911 | $28,187 AUD |
| D-E | other | 26 | $2,898 AUD |
| F-G | FL | 1,363 | $22,648 AUD |
| F-G | I | 32,797 | $6,000 AUD |
| F-G | IF | 117,460 | $27,393 AUD |
| F-G | SI1 | 206,149 | $15,675 AUD |
| F-G | SI2 | 159,348 | $11,875 AUD |
| F-G | VS1 | 239,585 | $21,348 AUD |
| F-G | VS2 | 238,288 | $18,724 AUD |
| F-G | VVS1 | 241,742 | $23,598 AUD |
| F-G | VVS2 | 207,619 | $22,964 AUD |
| F-G | other | 46 | $5,609 AUD |
| H-I | FL | 569 | $10,996 AUD |
| H-I | I | 27,602 | $5,225 AUD |
| H-I | IF | 73,770 | $18,285 AUD |
| H-I | SI1 | 192,546 | $11,936 AUD |
| H-I | SI2 | 143,202 | $8,701 AUD |
| H-I | VS1 | 222,502 | $14,850 AUD |
| H-I | VS2 | 227,493 | $14,044 AUD |
| H-I | VVS1 | 182,567 | $17,489 AUD |
| H-I | VVS2 | 188,913 | $16,576 AUD |
| H-I | other | 23 | $4,537 AUD |
| J-K | FL | 143 | $5,621 AUD |
| J-K | I | 15,899 | $4,795 AUD |
| J-K | IF | 35,023 | $10,682 AUD |
| J-K | SI1 | 98,688 | $9,469 AUD |
| J-K | SI2 | 75,282 | $7,434 AUD |
| J-K | VS1 | 108,889 | $10,142 AUD |
| J-K | VS2 | 93,392 | $9,549 AUD |
| J-K | VVS1 | 103,058 | $10,372 AUD |
| J-K | VVS2 | 99,283 | $10,438 AUD |
| L-M | FL | 33 | $4,665 AUD |
| L-M | I | 4,201 | $3,351 AUD |
| L-M | IF | 7,362 | $7,038 AUD |
| L-M | SI1 | 25,870 | $6,061 AUD |
| L-M | SI2 | 17,786 | $5,735 AUD |
| L-M | VS1 | 25,190 | $7,679 AUD |
| L-M | VS2 | 23,945 | $6,392 AUD |
| L-M | VVS1 | 23,260 | $5,980 AUD |
| L-M | VVS2 | 23,439 | $8,144 AUD |
| N+ | I | 5,178 | $7,251 AUD |
| N+ | IF | 537 | $6,692 AUD |
| N+ | SI1 | 5,664 | $6,019 AUD |
| N+ | SI2 | 4,759 | $9,635 AUD |
| N+ | VS1 | 5,693 | $6,546 AUD |
| N+ | VS2 | 5,353 | $5,213 AUD |
| N+ | VVS1 | 2,611 | $5,839 AUD |
| N+ | VVS2 | 9,607 | $2,219 AUD |
| N+ | other | 666 | $8,101 AUD |