Natural Round Diamond Prices in Australia
As of June 2026, there are 4,478,995 natural round diamonds available. Prices range from $84 AUD/ct to $350,077 AUD/ct, with an average of $13,432 AUD/ct.
Last updated: June 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $28K | $20K | $24K | $19K | $13K | $15K | $12K | $7,024 | $4,654 |
| F-G | $17K | $18K | $16K | $15K | $15K | $13K | $11K | $7,552 | $4,003 |
| H-I | $7,125 | $11K | $11K | $11K | $9,674 | $9,186 | $7,903 | $6,661 | $3,987 |
| J-K | $3,889 | $7,385 | $7,391 | $7,214 | $6,994 | $6,335 | $5,897 | $5,437 | $3,634 |
| L-M | $3,636 | $4,790 | $4,163 | $5,355 | $4,724 | $4,383 | $4,414 | $3,980 | $2,513 |
| N+ | - | $3,830 | $3,923 | $1,613 | $4,725 | $3,109 | $3,051 | $6,053 | $5,091 |
By Carat Weight
0.20-0.29
199,899 listings
Avg: $2,562 AUD/ct
0.30-0.49
1,289,701 listings
Avg: $2,284 AUD/ct
0.50-0.74
1,333,211 listings
Avg: $2,615 AUD/ct
0.75-0.99
366,657 listings
Avg: $3,627 AUD/ct
1.00-1.24
578,491 listings
Avg: $5,196 AUD/ct
1.25-1.49
79,830 listings
Avg: $6,594 AUD/ct
1.50-1.99
289,778 listings
Avg: $8,050 AUD/ct
2.00-2.49
138,639 listings
Avg: $12,431 AUD/ct
2.50-2.99
44,845 listings
Avg: $15,403 AUD/ct
3.00-3.99
55,143 listings
Avg: $20,166 AUD/ct
4.00-4.99
16,099 listings
Avg: $25,390 AUD/ct
5.00-9.99
17,797 listings
Avg: $34,437 AUD/ct
10.00+
1,141 listings
Avg: $56,064 AUD/ct
unknown
67,764 listings
Avg: $7,647 AUD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 16,380 | $42,993 AUD |
| D-E | I | 15,733 | $7,160 AUD |
| D-E | IF | 121,278 | $31,118 AUD |
| D-E | SI1 | 165,765 | $17,816 AUD |
| D-E | SI2 | 101,717 | $10,806 AUD |
| D-E | VS1 | 191,190 | $19,405 AUD |
| D-E | VS2 | 170,622 | $23,375 AUD |
| D-E | VVS1 | 254,593 | $36,267 AUD |
| D-E | VVS2 | 212,065 | $29,352 AUD |
| D-E | other | 24 | $3,300 AUD |
| F-G | FL | 1,408 | $26,133 AUD |
| F-G | I | 23,782 | $6,159 AUD |
| F-G | IF | 124,808 | $27,192 AUD |
| F-G | SI1 | 197,563 | $16,425 AUD |
| F-G | SI2 | 136,781 | $11,619 AUD |
| F-G | VS1 | 231,966 | $22,408 AUD |
| F-G | VS2 | 219,999 | $19,296 AUD |
| F-G | VVS1 | 252,998 | $24,974 AUD |
| F-G | VVS2 | 208,401 | $22,957 AUD |
| F-G | other | 46 | $4,691 AUD |
| H-I | FL | 477 | $10,961 AUD |
| H-I | I | 19,945 | $6,134 AUD |
| H-I | IF | 68,439 | $17,391 AUD |
| H-I | SI1 | 177,834 | $12,158 AUD |
| H-I | SI2 | 123,297 | $10,248 AUD |
| H-I | VS1 | 194,448 | $14,882 AUD |
| H-I | VS2 | 199,562 | $14,132 AUD |
| H-I | VVS1 | 165,873 | $17,327 AUD |
| H-I | VVS2 | 168,943 | $16,371 AUD |
| H-I | other | 24 | $4,509 AUD |
| J-K | FL | 130 | $5,984 AUD |
| J-K | I | 11,454 | $5,591 AUD |
| J-K | IF | 31,828 | $11,361 AUD |
| J-K | SI1 | 85,701 | $9,072 AUD |
| J-K | SI2 | 61,888 | $8,365 AUD |
| J-K | VS1 | 94,662 | $10,760 AUD |
| J-K | VS2 | 81,275 | $9,746 AUD |
| J-K | VVS1 | 92,700 | $11,370 AUD |
| J-K | VVS2 | 87,773 | $11,099 AUD |
| L-M | FL | 23 | $5,593 AUD |
| L-M | I | 3,638 | $3,867 AUD |
| L-M | IF | 6,795 | $7,369 AUD |
| L-M | SI1 | 23,453 | $6,791 AUD |
| L-M | SI2 | 15,859 | $6,123 AUD |
| L-M | VS1 | 24,067 | $7,267 AUD |
| L-M | VS2 | 22,584 | $6,743 AUD |
| L-M | VVS1 | 21,773 | $6,405 AUD |
| L-M | VVS2 | 21,891 | $8,239 AUD |
| N+ | I | 2,341 | $7,832 AUD |
| N+ | IF | 381 | $5,893 AUD |
| N+ | SI1 | 3,506 | $4,694 AUD |
| N+ | SI2 | 2,698 | $9,312 AUD |
| N+ | VS1 | 3,994 | $7,270 AUD |
| N+ | VS2 | 3,558 | $4,784 AUD |
| N+ | VVS1 | 1,887 | $6,036 AUD |
| N+ | VVS2 | 6,740 | $2,481 AUD |
| N+ | other | 435 | $2,106 AUD |