Natural Radiant Diamond Prices in Australia
Last updated: November 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $6,767 | $8,419 | $7,999 | $9,754 | $11K | $8,160 | $7,054 | $4,974 | $3,510 |
| F-G | $3,653 | $6,406 | $7,939 | $9,970 | $9,747 | $7,849 | $6,585 | $5,335 | $5,141 |
| H-I | $2,852 | $4,082 | $5,608 | $6,942 | $7,382 | $5,597 | $5,626 | $4,374 | $3,283 |
| J-K | $1,750 | $2,781 | $3,945 | $4,001 | $4,498 | $4,485 | $4,024 | $2,973 | $2,249 |
| L-M | - | $2,080 | $2,109 | $2,221 | $2,633 | $2,302 | $2,072 | $1,687 | $2,455 |
| N+ | $6,357 | $8,106 | $7,705 | $7,587 | $8,314 | $10K | $8,396 | $7,766 | $7,080 |
By Carat Weight
0.20-0.29
1,656 listings
Avg: $7,176 AUD/ct
0.30-0.49
33,684 listings
Avg: $3,030 AUD/ct
0.50-0.74
94,704 listings
Avg: $3,039 AUD/ct
0.75-0.99
37,792 listings
Avg: $3,742 AUD/ct
1.00-1.24
125,413 listings
Avg: $4,661 AUD/ct
1.25-1.49
13,186 listings
Avg: $6,193 AUD/ct
1.50-1.99
65,041 listings
Avg: $7,275 AUD/ct
2.00-2.49
40,906 listings
Avg: $9,930 AUD/ct
2.50-2.99
7,997 listings
Avg: $13,325 AUD/ct
3.00-3.99
16,906 listings
Avg: $17,099 AUD/ct
4.00-4.99
2,134 listings
Avg: $20,685 AUD/ct
5.00-9.99
2,534 listings
Avg: $23,239 AUD/ct
10.00+
476 listings
Avg: $29,085 AUD/ct
unknown
161 listings
Avg: $44,305 AUD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 305 | $9,690 AUD |
| D-E | I | 1,586 | $5,027 AUD |
| D-E | IF | 4,564 | $12,055 AUD |
| D-E | SI1 | 15,455 | $10,100 AUD |
| D-E | SI2 | 9,301 | $7,123 AUD |
| D-E | VS1 | 16,032 | $16,418 AUD |
| D-E | VS2 | 16,757 | $11,685 AUD |
| D-E | VVS1 | 12,625 | $11,453 AUD |
| D-E | VVS2 | 11,593 | $13,966 AUD |
| F-G | FL | 215 | $5,231 AUD |
| F-G | I | 2,425 | $7,362 AUD |
| F-G | IF | 4,414 | $9,173 AUD |
| F-G | SI1 | 18,220 | $9,429 AUD |
| F-G | SI2 | 12,299 | $7,640 AUD |
| F-G | VS1 | 19,832 | $13,957 AUD |
| F-G | VS2 | 21,063 | $11,239 AUD |
| F-G | VVS1 | 13,479 | $11,368 AUD |
| F-G | VVS2 | 13,784 | $14,276 AUD |
| H-I | FL | 223 | $4,083 AUD |
| H-I | I | 2,296 | $4,701 AUD |
| H-I | IF | 3,309 | $5,845 AUD |
| H-I | SI1 | 18,499 | $8,056 AUD |
| H-I | SI2 | 12,767 | $6,263 AUD |
| H-I | VS1 | 18,955 | $10,570 AUD |
| H-I | VS2 | 19,574 | $8,014 AUD |
| H-I | VVS1 | 13,261 | $8,030 AUD |
| H-I | VVS2 | 14,602 | $9,940 AUD |
| J-K | FL | 43 | $2,506 AUD |
| J-K | I | 820 | $3,220 AUD |
| J-K | IF | 1,292 | $3,982 AUD |
| J-K | SI1 | 11,207 | $5,762 AUD |
| J-K | SI2 | 7,280 | $4,257 AUD |
| J-K | VS1 | 8,830 | $6,441 AUD |
| J-K | VS2 | 10,740 | $6,422 AUD |
| J-K | VVS1 | 5,387 | $5,649 AUD |
| J-K | VVS2 | 6,211 | $5,729 AUD |
| L-M | I | 24 | $3,516 AUD |
| L-M | IF | 125 | $2,978 AUD |
| L-M | SI1 | 1,789 | $2,968 AUD |
| L-M | SI2 | 969 | $2,416 AUD |
| L-M | VS1 | 1,453 | $3,769 AUD |
| L-M | VS2 | 1,617 | $3,297 AUD |
| L-M | VVS1 | 614 | $3,020 AUD |
| L-M | VVS2 | 794 | $3,181 AUD |
| N+ | FL | 162 | $9,103 AUD |
| N+ | I | 2,404 | $10,138 AUD |
| N+ | IF | 4,339 | $11,607 AUD |
| N+ | SI1 | 9,131 | $12,022 AUD |
| N+ | SI2 | 4,762 | $11,120 AUD |
| N+ | VS1 | 22,232 | $11,905 AUD |
| N+ | VS2 | 20,241 | $14,709 AUD |
| N+ | VVS1 | 9,502 | $11,033 AUD |
| N+ | VVS2 | 12,846 | $10,864 AUD |
| N+ | other | 341 | $18,639 AUD |