Natural Heart Diamond Prices in Australia
Last updated: October 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $6,678 | $5,341 | $6,933 | $6,224 | $5,923 | $5,543 | $4,299 | $3,522 | $3,142 |
| F-G | $4,164 | $4,772 | $5,508 | $5,593 | $5,292 | $5,739 | $3,773 | $2,950 | $2,796 |
| H-I | $2,237 | $3,234 | $3,697 | $4,181 | $4,411 | $3,919 | $3,429 | $2,662 | $2,250 |
| J-K | - | $2,332 | $2,616 | $2,503 | $2,814 | $2,844 | $2,677 | $2,325 | $1,756 |
| L-M | - | $1,602 | $1,716 | $1,735 | $1,638 | $1,633 | $1,508 | $1,385 | - |
| N+ | - | $5,761 | $23K | $2,676 | $3,882 | $11K | $8,743 | $7,743 | $6,134 |
By Carat Weight
0.20-0.29
5,538 listings
Avg: $15,010 AUD/ct
0.30-0.49
41,160 listings
Avg: $3,556 AUD/ct
0.50-0.74
117,403 listings
Avg: $2,786 AUD/ct
0.75-0.99
66,190 listings
Avg: $2,974 AUD/ct
1.00-1.24
130,850 listings
Avg: $4,114 AUD/ct
1.25-1.49
10,409 listings
Avg: $4,915 AUD/ct
1.50-1.99
61,926 listings
Avg: $6,051 AUD/ct
2.00-2.49
26,196 listings
Avg: $9,012 AUD/ct
2.50-2.99
3,726 listings
Avg: $10,663 AUD/ct
3.00-3.99
4,966 listings
Avg: $12,264 AUD/ct
4.00-4.99
392 listings
Avg: $7,175 AUD/ct
5.00-9.99
664 listings
Avg: $9,642 AUD/ct
10.00+
156 listings
Avg: $16,791 AUD/ct
unknown
459 listings
Avg: $21,346 AUD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 366 | $9,496 AUD |
| D-E | I | 1,176 | $4,467 AUD |
| D-E | IF | 4,495 | $7,594 AUD |
| D-E | SI1 | 21,302 | $6,113 AUD |
| D-E | SI2 | 11,609 | $5,008 AUD |
| D-E | VS1 | 27,445 | $8,421 AUD |
| D-E | VS2 | 26,685 | $7,882 AUD |
| D-E | VVS1 | 13,522 | $9,858 AUD |
| D-E | VVS2 | 19,617 | $8,850 AUD |
| F-G | FL | 169 | $5,921 AUD |
| F-G | I | 1,889 | $3,976 AUD |
| F-G | IF | 5,850 | $6,785 AUD |
| F-G | SI1 | 24,964 | $5,365 AUD |
| F-G | SI2 | 19,615 | $4,194 AUD |
| F-G | VS1 | 29,570 | $7,524 AUD |
| F-G | VS2 | 29,424 | $8,160 AUD |
| F-G | VVS1 | 13,552 | $7,832 AUD |
| F-G | VVS2 | 18,942 | $7,952 AUD |
| H-I | FL | 105 | $3,181 AUD |
| H-I | I | 1,625 | $3,199 AUD |
| H-I | IF | 5,608 | $4,599 AUD |
| H-I | SI1 | 22,397 | $4,876 AUD |
| H-I | SI2 | 19,072 | $3,785 AUD |
| H-I | VS1 | 24,445 | $6,272 AUD |
| H-I | VS2 | 23,257 | $5,572 AUD |
| H-I | VVS1 | 13,338 | $5,257 AUD |
| H-I | VVS2 | 16,077 | $5,945 AUD |
| J-K | I | 412 | $2,497 AUD |
| J-K | IF | 1,519 | $3,315 AUD |
| J-K | SI1 | 7,306 | $3,806 AUD |
| J-K | SI2 | 4,803 | $3,307 AUD |
| J-K | VS1 | 6,061 | $4,002 AUD |
| J-K | VS2 | 7,125 | $4,044 AUD |
| J-K | VVS1 | 5,132 | $3,719 AUD |
| J-K | VVS2 | 5,245 | $3,559 AUD |
| L-M | IF | 63 | $2,277 AUD |
| L-M | SI1 | 495 | $2,144 AUD |
| L-M | SI2 | 79 | $1,970 AUD |
| L-M | VS1 | 534 | $2,329 AUD |
| L-M | VS2 | 503 | $2,322 AUD |
| L-M | VVS1 | 313 | $2,440 AUD |
| L-M | VVS2 | 419 | $2,467 AUD |
| N+ | I | 2,334 | $8,723 AUD |
| N+ | IF | 610 | $8,192 AUD |
| N+ | SI1 | 6,102 | $12,432 AUD |
| N+ | SI2 | 4,044 | $11,010 AUD |
| N+ | VS1 | 6,180 | $5,520 AUD |
| N+ | VS2 | 9,034 | $15,421 AUD |
| N+ | VVS1 | 1,495 | $33,394 AUD |
| N+ | VVS2 | 3,884 | $3,806 AUD |
| N+ | other | 227 | $24,028 AUD |