Natural Round Diamond Prices in Australia
Last updated: September 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $25K | $19K | $24K | $19K | $13K | $15K | $11K | $6,754 | $5,384 |
| F-G | $15K | $16K | $15K | $15K | $14K | $12K | $9,838 | $6,868 | $4,058 |
| H-I | $6,885 | $9,865 | $11K | $9,913 | $9,827 | $8,653 | $6,938 | $5,792 | $3,833 |
| J-K | $5,223 | $6,646 | $6,564 | $6,446 | $6,591 | $6,014 | $5,874 | $4,424 | $3,461 |
| L-M | $3,032 | $4,329 | $3,923 | $5,012 | $4,578 | $4,127 | $3,523 | $2,991 | $2,233 |
| N+ | - | $4,156 | $3,142 | $1,296 | $3,569 | $3,540 | $3,805 | $5,557 | $4,275 |
By Carat Weight
0.20-0.29
260,297 listings
Avg: $2,722 AUD/ct
0.30-0.49
2,102,647 listings
Avg: $2,134 AUD/ct
0.50-0.74
1,888,072 listings
Avg: $2,310 AUD/ct
0.75-0.99
497,314 listings
Avg: $3,319 AUD/ct
1.00-1.24
811,027 listings
Avg: $4,683 AUD/ct
1.25-1.49
116,037 listings
Avg: $6,050 AUD/ct
1.50-1.99
427,298 listings
Avg: $7,190 AUD/ct
2.00-2.49
205,116 listings
Avg: $10,917 AUD/ct
2.50-2.99
64,931 listings
Avg: $13,573 AUD/ct
3.00-3.99
77,343 listings
Avg: $17,574 AUD/ct
4.00-4.99
22,616 listings
Avg: $22,285 AUD/ct
5.00-9.99
19,646 listings
Avg: $28,032 AUD/ct
10.00+
1,064 listings
Avg: $41,314 AUD/ct
unknown
91,000 listings
Avg: $8,113 AUD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 23,401 | $35,078 AUD |
| D-E | I | 27,985 | $7,556 AUD |
| D-E | IF | 162,266 | $27,321 AUD |
| D-E | SI1 | 253,261 | $15,914 AUD |
| D-E | SI2 | 169,842 | $9,479 AUD |
| D-E | VS1 | 300,360 | $17,754 AUD |
| D-E | VS2 | 274,587 | $20,709 AUD |
| D-E | VVS1 | 397,842 | $33,457 AUD |
| D-E | VVS2 | 289,438 | $27,034 AUD |
| D-E | other | 26 | $3,139 AUD |
| F-G | FL | 3,315 | $21,259 AUD |
| F-G | I | 42,247 | $5,695 AUD |
| F-G | IF | 138,963 | $22,547 AUD |
| F-G | SI1 | 290,226 | $13,806 AUD |
| F-G | SI2 | 221,174 | $9,639 AUD |
| F-G | VS1 | 336,444 | $19,355 AUD |
| F-G | VS2 | 335,096 | $17,244 AUD |
| F-G | VVS1 | 328,230 | $20,708 AUD |
| F-G | VVS2 | 286,404 | $20,652 AUD |
| F-G | other | 44 | $5,692 AUD |
| H-I | FL | 1,290 | $9,662 AUD |
| H-I | I | 34,423 | $5,379 AUD |
| H-I | IF | 92,679 | $13,845 AUD |
| H-I | SI1 | 246,668 | $9,737 AUD |
| H-I | SI2 | 183,808 | $8,129 AUD |
| H-I | VS1 | 297,923 | $13,792 AUD |
| H-I | VS2 | 300,602 | $12,143 AUD |
| H-I | VVS1 | 255,771 | $15,607 AUD |
| H-I | VVS2 | 251,999 | $13,912 AUD |
| H-I | other | 22 | $4,205 AUD |
| J-K | FL | 633 | $7,330 AUD |
| J-K | I | 20,454 | $4,857 AUD |
| J-K | IF | 45,675 | $9,327 AUD |
| J-K | SI1 | 122,634 | $8,244 AUD |
| J-K | SI2 | 96,117 | $6,209 AUD |
| J-K | VS1 | 139,424 | $9,250 AUD |
| J-K | VS2 | 118,548 | $8,440 AUD |
| J-K | VVS1 | 135,903 | $9,212 AUD |
| J-K | VVS2 | 125,700 | $9,047 AUD |
| L-M | FL | 57 | $4,256 AUD |
| L-M | I | 5,480 | $3,134 AUD |
| L-M | IF | 8,671 | $6,076 AUD |
| L-M | SI1 | 31,696 | $4,944 AUD |
| L-M | SI2 | 23,811 | $4,198 AUD |
| L-M | VS1 | 28,034 | $6,425 AUD |
| L-M | VS2 | 27,038 | $5,792 AUD |
| L-M | VVS1 | 27,714 | $5,505 AUD |
| L-M | VVS2 | 26,530 | $7,033 AUD |
| N+ | I | 6,036 | $6,000 AUD |
| N+ | IF | 621 | $5,832 AUD |
| N+ | SI1 | 6,408 | $5,339 AUD |
| N+ | SI2 | 5,937 | $7,799 AUD |
| N+ | VS1 | 9,386 | $5,008 AUD |
| N+ | VS2 | 6,229 | $4,968 AUD |
| N+ | VVS1 | 3,206 | $4,409 AUD |
| N+ | VVS2 | 15,193 | $1,819 AUD |
| N+ | other | 937 | $7,977 AUD |