Natural Radiant Diamond Prices in Australia
As of July 2026, there are 256,292 natural radiant diamonds available. Prices range from $531 AUD/ct to $955,914 AUD/ct, with an average of $11,296 AUD/ct.
Last updated: July 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $12K | $9,891 | $6,818 | $8,681 | $12K | $10K | $9,612 | $6,685 | $5,958 |
| F-G | $2,403 | $8,176 | $10K | $9,837 | $12K | $9,086 | $8,094 | $6,187 | $5,216 |
| H-I | $4,454 | $7,437 | $7,525 | $7,253 | $7,580 | $5,744 | $7,917 | $6,644 | $6,145 |
| J-K | $1,722 | $3,399 | $5,524 | $5,329 | $6,226 | $6,785 | $6,301 | $4,407 | $4,062 |
| L-M | - | $2,228 | $1,938 | $2,649 | $2,829 | $3,210 | $2,841 | $3,236 | $1,739 |
| N+ | $4,537 | $8,565 | $7,574 | $6,796 | $8,657 | $13K | $9,750 | $8,992 | $9,561 |
By Carat Weight
0.20-0.29
749 listings
Avg: $9,601 AUD/ct
0.30-0.49
21,315 listings
Avg: $3,213 AUD/ct
0.50-0.74
70,985 listings
Avg: $3,066 AUD/ct
0.75-0.99
24,256 listings
Avg: $3,699 AUD/ct
1.00-1.24
69,394 listings
Avg: $4,390 AUD/ct
1.25-1.49
6,002 listings
Avg: $6,141 AUD/ct
1.50-1.99
31,905 listings
Avg: $7,122 AUD/ct
2.00-2.49
18,758 listings
Avg: $9,958 AUD/ct
2.50-2.99
3,554 listings
Avg: $13,565 AUD/ct
3.00-3.99
5,662 listings
Avg: $17,591 AUD/ct
4.00-4.99
1,354 listings
Avg: $21,660 AUD/ct
5.00-9.99
1,889 listings
Avg: $29,141 AUD/ct
10.00+
367 listings
Avg: $33,938 AUD/ct
unknown
102 listings
Avg: $68,095 AUD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 245 | $18,634 AUD |
| D-E | I | 601 | $9,166 AUD |
| D-E | IF | 3,333 | $15,218 AUD |
| D-E | SI1 | 8,676 | $14,788 AUD |
| D-E | SI2 | 3,954 | $10,284 AUD |
| D-E | VS1 | 11,935 | $17,913 AUD |
| D-E | VS2 | 11,500 | $15,575 AUD |
| D-E | VVS1 | 10,335 | $10,489 AUD |
| D-E | VVS2 | 9,119 | $13,356 AUD |
| F-G | FL | 133 | $3,697 AUD |
| F-G | I | 940 | $8,024 AUD |
| F-G | IF | 3,940 | $12,578 AUD |
| F-G | SI1 | 10,196 | $12,453 AUD |
| F-G | SI2 | 5,365 | $9,518 AUD |
| F-G | VS1 | 14,139 | $19,222 AUD |
| F-G | VS2 | 14,773 | $13,978 AUD |
| F-G | VVS1 | 11,793 | $15,448 AUD |
| F-G | VVS2 | 10,637 | $15,134 AUD |
| H-I | FL | 104 | $6,852 AUD |
| H-I | I | 982 | $9,455 AUD |
| H-I | IF | 2,661 | $11,442 AUD |
| H-I | SI1 | 9,495 | $12,180 AUD |
| H-I | SI2 | 5,458 | $10,222 AUD |
| H-I | VS1 | 12,378 | $11,662 AUD |
| H-I | VS2 | 12,332 | $8,837 AUD |
| H-I | VVS1 | 10,508 | $11,577 AUD |
| H-I | VVS2 | 10,124 | $11,158 AUD |
| J-K | FL | 35 | $2,649 AUD |
| J-K | I | 397 | $6,250 AUD |
| J-K | IF | 857 | $5,229 AUD |
| J-K | SI1 | 4,318 | $9,694 AUD |
| J-K | SI2 | 2,558 | $6,779 AUD |
| J-K | VS1 | 4,854 | $9,579 AUD |
| J-K | VS2 | 4,516 | $10,438 AUD |
| J-K | VVS1 | 3,500 | $8,499 AUD |
| J-K | VVS2 | 3,628 | $8,198 AUD |
| L-M | I | 27 | $2,675 AUD |
| L-M | IF | 107 | $3,428 AUD |
| L-M | SI1 | 415 | $4,371 AUD |
| L-M | SI2 | 210 | $4,978 AUD |
| L-M | VS1 | 467 | $4,352 AUD |
| L-M | VS2 | 417 | $4,938 AUD |
| L-M | VVS1 | 246 | $2,981 AUD |
| L-M | VVS2 | 327 | $4,075 AUD |
| N+ | FL | 76 | $6,979 AUD |
| N+ | I | 972 | $14,709 AUD |
| N+ | IF | 1,741 | $13,178 AUD |
| N+ | SI1 | 3,678 | $15,001 AUD |
| N+ | SI2 | 2,244 | $13,833 AUD |
| N+ | VS1 | 8,282 | $13,318 AUD |
| N+ | VS2 | 7,553 | $19,251 AUD |
| N+ | VVS1 | 3,781 | $11,652 AUD |
| N+ | VVS2 | 5,157 | $10,456 AUD |
| N+ | other | 273 | $18,597 AUD |