Natural Round Diamond Prices in Australia
As of June 2026, there are 4,483,432 natural round diamonds available. Prices range from $84 AUD/ct to $350,077 AUD/ct, with an average of $13,434 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 | $7,028 | $4,652 |
| F-G | $17K | $18K | $16K | $15K | $15K | $13K | $11K | $7,555 | $4,006 |
| H-I | $7,125 | $11K | $11K | $11K | $9,673 | $9,203 | $7,906 | $6,661 | $3,988 |
| J-K | $3,876 | $7,391 | $7,392 | $7,215 | $6,992 | $6,337 | $5,899 | $5,439 | $3,636 |
| L-M | $3,636 | $4,791 | $4,164 | $5,359 | $4,722 | $4,384 | $4,415 | $3,981 | $2,513 |
| N+ | - | $3,831 | $3,924 | $1,623 | $4,726 | $3,112 | $3,054 | $6,062 | $5,090 |
By Carat Weight
0.20-0.29
199,785 listings
Avg: $2,567 AUD/ct
0.30-0.49
1,290,090 listings
Avg: $2,286 AUD/ct
0.50-0.74
1,334,128 listings
Avg: $2,617 AUD/ct
0.75-0.99
367,157 listings
Avg: $3,631 AUD/ct
1.00-1.24
580,091 listings
Avg: $5,200 AUD/ct
1.25-1.49
80,237 listings
Avg: $6,598 AUD/ct
1.50-1.99
290,111 listings
Avg: $8,053 AUD/ct
2.00-2.49
138,887 listings
Avg: $12,433 AUD/ct
2.50-2.99
44,902 listings
Avg: $15,409 AUD/ct
3.00-3.99
55,207 listings
Avg: $20,172 AUD/ct
4.00-4.99
16,120 listings
Avg: $25,379 AUD/ct
5.00-9.99
17,823 listings
Avg: $34,429 AUD/ct
10.00+
1,145 listings
Avg: $56,069 AUD/ct
unknown
67,749 listings
Avg: $7,648 AUD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 16,409 | $42,992 AUD |
| D-E | I | 15,738 | $7,157 AUD |
| D-E | IF | 121,331 | $31,126 AUD |
| D-E | SI1 | 165,898 | $17,822 AUD |
| D-E | SI2 | 101,892 | $10,813 AUD |
| D-E | VS1 | 191,343 | $19,412 AUD |
| D-E | VS2 | 170,782 | $23,325 AUD |
| D-E | VVS1 | 254,649 | $36,272 AUD |
| D-E | VVS2 | 212,138 | $29,359 AUD |
| D-E | other | 24 | $3,300 AUD |
| F-G | FL | 1,411 | $26,125 AUD |
| F-G | I | 23,808 | $6,163 AUD |
| F-G | IF | 124,866 | $27,195 AUD |
| F-G | SI1 | 197,739 | $16,433 AUD |
| F-G | SI2 | 137,068 | $11,623 AUD |
| F-G | VS1 | 232,178 | $22,401 AUD |
| F-G | VS2 | 220,097 | $19,303 AUD |
| F-G | VVS1 | 253,076 | $24,954 AUD |
| F-G | VVS2 | 208,401 | $23,017 AUD |
| F-G | other | 46 | $4,691 AUD |
| H-I | FL | 477 | $10,961 AUD |
| H-I | I | 19,994 | $6,136 AUD |
| H-I | IF | 68,522 | $17,376 AUD |
| H-I | SI1 | 178,071 | $12,163 AUD |
| H-I | SI2 | 123,534 | $10,248 AUD |
| H-I | VS1 | 194,822 | $14,881 AUD |
| H-I | VS2 | 199,774 | $14,159 AUD |
| H-I | VVS1 | 166,002 | $17,322 AUD |
| H-I | VVS2 | 169,177 | $16,368 AUD |
| H-I | other | 24 | $4,509 AUD |
| J-K | FL | 131 | $5,964 AUD |
| J-K | I | 11,505 | $5,593 AUD |
| J-K | IF | 31,863 | $11,370 AUD |
| J-K | SI1 | 85,821 | $9,075 AUD |
| J-K | SI2 | 62,032 | $8,368 AUD |
| J-K | VS1 | 94,782 | $10,757 AUD |
| J-K | VS2 | 81,381 | $9,749 AUD |
| J-K | VVS1 | 92,805 | $11,372 AUD |
| J-K | VVS2 | 87,871 | $11,099 AUD |
| L-M | FL | 23 | $5,593 AUD |
| L-M | I | 3,662 | $3,866 AUD |
| L-M | IF | 6,799 | $7,370 AUD |
| L-M | SI1 | 23,515 | $6,792 AUD |
| L-M | SI2 | 15,899 | $6,125 AUD |
| L-M | VS1 | 24,098 | $7,264 AUD |
| L-M | VS2 | 22,635 | $6,745 AUD |
| L-M | VVS1 | 21,793 | $6,406 AUD |
| L-M | VVS2 | 21,914 | $8,244 AUD |
| N+ | I | 2,372 | $7,831 AUD |
| N+ | IF | 381 | $5,894 AUD |
| N+ | SI1 | 3,515 | $4,698 AUD |
| N+ | SI2 | 2,706 | $9,326 AUD |
| N+ | VS1 | 3,998 | $7,271 AUD |
| N+ | VS2 | 3,564 | $4,788 AUD |
| N+ | VVS1 | 1,895 | $6,037 AUD |
| N+ | VVS2 | 6,746 | $2,498 AUD |
| N+ | other | 435 | $2,106 AUD |