Natural Radiant Diamond Prices in Australia
As of June 2026, there are 207,828 natural radiant diamonds available. Prices range from $496 AUD/ct to $850,596 AUD/ct, with an average of $11,761 AUD/ct.
Last updated: June 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $16K | $12K | $10K | $11K | $11K | $10K | $9,210 | $7,031 | $6,026 |
| F-G | $2,435 | $8,402 | $10K | $10K | $12K | $9,328 | $8,438 | $6,929 | $5,018 |
| H-I | $2,740 | $7,650 | $8,041 | $8,018 | $7,979 | $7,100 | $8,660 | $6,781 | $5,674 |
| J-K | $1,671 | $3,391 | $5,558 | $5,275 | $6,690 | $6,955 | $6,071 | $4,683 | $3,846 |
| L-M | - | $2,166 | $1,743 | $2,362 | $3,311 | $3,002 | $2,882 | $3,421 | $1,723 |
| N+ | $3,706 | $8,300 | $6,664 | $6,312 | $7,468 | $12K | $8,292 | $8,722 | $11K |
By Carat Weight
0.20-0.29
603 listings
Avg: $10,710 AUD/ct
0.30-0.49
16,661 listings
Avg: $2,909 AUD/ct
0.50-0.74
55,658 listings
Avg: $2,968 AUD/ct
0.75-0.99
19,616 listings
Avg: $3,742 AUD/ct
1.00-1.24
52,916 listings
Avg: $4,260 AUD/ct
1.25-1.49
4,554 listings
Avg: $6,169 AUD/ct
1.50-1.99
25,336 listings
Avg: $7,164 AUD/ct
2.00-2.49
15,811 listings
Avg: $10,230 AUD/ct
2.50-2.99
3,506 listings
Avg: $14,030 AUD/ct
3.00-3.99
7,923 listings
Avg: $18,669 AUD/ct
4.00-4.99
1,974 listings
Avg: $25,103 AUD/ct
5.00-9.99
2,925 listings
Avg: $31,713 AUD/ct
10.00+
269 listings
Avg: $32,908 AUD/ct
unknown
76 listings
Avg: $69,629 AUD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 232 | $25,212 AUD |
| D-E | I | 378 | $9,270 AUD |
| D-E | IF | 3,151 | $18,505 AUD |
| D-E | SI1 | 7,560 | $14,169 AUD |
| D-E | SI2 | 3,587 | $10,817 AUD |
| D-E | VS1 | 10,121 | $17,634 AUD |
| D-E | VS2 | 9,476 | $15,878 AUD |
| D-E | VVS1 | 9,352 | $15,451 AUD |
| D-E | VVS2 | 7,577 | $16,189 AUD |
| F-G | FL | 117 | $3,746 AUD |
| F-G | I | 530 | $7,720 AUD |
| F-G | IF | 3,568 | $12,926 AUD |
| F-G | SI1 | 8,904 | $12,982 AUD |
| F-G | SI2 | 4,675 | $10,660 AUD |
| F-G | VS1 | 11,581 | $18,991 AUD |
| F-G | VS2 | 11,754 | $14,351 AUD |
| F-G | VVS1 | 10,223 | $16,142 AUD |
| F-G | VVS2 | 8,976 | $15,412 AUD |
| H-I | FL | 76 | $4,216 AUD |
| H-I | I | 575 | $8,729 AUD |
| H-I | IF | 2,411 | $11,769 AUD |
| H-I | SI1 | 8,510 | $13,323 AUD |
| H-I | SI2 | 4,639 | $10,433 AUD |
| H-I | VS1 | 9,560 | $12,276 AUD |
| H-I | VS2 | 9,995 | $10,923 AUD |
| H-I | VVS1 | 8,693 | $12,370 AUD |
| H-I | VVS2 | 7,855 | $12,335 AUD |
| J-K | FL | 36 | $2,570 AUD |
| J-K | I | 261 | $5,917 AUD |
| J-K | IF | 818 | $5,216 AUD |
| J-K | SI1 | 4,254 | $9,340 AUD |
| J-K | SI2 | 2,761 | $7,204 AUD |
| J-K | VS1 | 4,474 | $10,293 AUD |
| J-K | VS2 | 4,242 | $10,700 AUD |
| J-K | VVS1 | 3,211 | $8,551 AUD |
| J-K | VVS2 | 3,196 | $8,115 AUD |
| L-M | I | 27 | $2,651 AUD |
| L-M | IF | 91 | $3,332 AUD |
| L-M | SI1 | 595 | $4,433 AUD |
| L-M | SI2 | 489 | $5,264 AUD |
| L-M | VS1 | 509 | $5,093 AUD |
| L-M | VS2 | 580 | $4,619 AUD |
| L-M | VVS1 | 257 | $2,681 AUD |
| L-M | VVS2 | 333 | $3,633 AUD |
| N+ | FL | 24 | $5,701 AUD |
| N+ | I | 348 | $17,227 AUD |
| N+ | IF | 1,018 | $12,768 AUD |
| N+ | SI1 | 1,756 | $12,757 AUD |
| N+ | SI2 | 995 | $13,418 AUD |
| N+ | VS1 | 4,509 | $11,489 AUD |
| N+ | VS2 | 3,537 | $18,645 AUD |
| N+ | VVS1 | 2,306 | $10,253 AUD |
| N+ | VVS2 | 2,994 | $9,711 AUD |
| N+ | other | 131 | $29,625 AUD |