Natural Heart 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 | $16K | $9,158 | $10K | $9,682 | $12K | $6,795 | $4,412 | $5,581 |
| F-G | $10K | $9,357 | $9,446 | $8,842 | $8,503 | $11K | $5,720 | $3,655 | $4,863 |
| H-I | $2,592 | $7,568 | $6,588 | $6,276 | $8,472 | $8,874 | $4,530 | $4,448 | $8,022 |
| J-K | $2,144 | $5,337 | $5,207 | $4,832 | $4,628 | $4,612 | $4,350 | $5,043 | $5,848 |
| L-M | - | $1,768 | $2,539 | $2,018 | $3,454 | $2,731 | $2,090 | $2,836 | $1,304 |
| N+ | - | $5,449 | $4,015 | $2,727 | $5,569 | $7,782 | $9,094 | $7,609 | $3,877 |
By Carat Weight
0.20-0.29
4,505 listings
Avg: $8,122 AUD/ct
0.30-0.49
26,052 listings
Avg: $3,852 AUD/ct
0.50-0.74
116,419 listings
Avg: $2,884 AUD/ct
0.75-0.99
50,845 listings
Avg: $3,146 AUD/ct
1.00-1.24
85,869 listings
Avg: $4,378 AUD/ct
1.25-1.49
7,173 listings
Avg: $5,359 AUD/ct
1.50-1.99
41,483 listings
Avg: $6,028 AUD/ct
2.00-2.49
17,518 listings
Avg: $9,164 AUD/ct
2.50-2.99
3,200 listings
Avg: $12,541 AUD/ct
3.00-3.99
3,723 listings
Avg: $14,035 AUD/ct
4.00-4.99
1,162 listings
Avg: $25,116 AUD/ct
5.00-9.99
1,584 listings
Avg: $31,466 AUD/ct
10.00+
149 listings
Avg: $52,536 AUD/ct
unknown
442 listings
Avg: $12,209 AUD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 489 | $37,883 AUD |
| D-E | I | 1,414 | $8,586 AUD |
| D-E | IF | 3,717 | $24,494 AUD |
| D-E | SI1 | 16,951 | $10,453 AUD |
| D-E | SI2 | 8,587 | $6,787 AUD |
| D-E | VS1 | 20,656 | $14,896 AUD |
| D-E | VS2 | 20,475 | $18,557 AUD |
| D-E | VVS1 | 10,420 | $14,089 AUD |
| D-E | VVS2 | 14,632 | $16,112 AUD |
| F-G | FL | 216 | $15,917 AUD |
| F-G | I | 2,019 | $7,482 AUD |
| F-G | IF | 4,960 | $14,395 AUD |
| F-G | SI1 | 18,740 | $8,800 AUD |
| F-G | SI2 | 13,942 | $5,623 AUD |
| F-G | VS1 | 24,288 | $13,081 AUD |
| F-G | VS2 | 23,768 | $16,673 AUD |
| F-G | VVS1 | 11,433 | $14,533 AUD |
| F-G | VVS2 | 16,342 | $13,603 AUD |
| H-I | FL | 127 | $3,988 AUD |
| H-I | I | 1,753 | $12,342 AUD |
| H-I | IF | 4,588 | $11,643 AUD |
| H-I | SI1 | 16,524 | $6,969 AUD |
| H-I | SI2 | 14,334 | $6,843 AUD |
| H-I | VS1 | 19,568 | $13,035 AUD |
| H-I | VS2 | 18,398 | $13,652 AUD |
| H-I | VVS1 | 11,224 | $10,135 AUD |
| H-I | VVS2 | 13,348 | $9,655 AUD |
| J-K | FL | 53 | $3,298 AUD |
| J-K | I | 540 | $8,996 AUD |
| J-K | IF | 1,344 | $8,211 AUD |
| J-K | SI1 | 5,223 | $6,693 AUD |
| J-K | SI2 | 4,125 | $7,759 AUD |
| J-K | VS1 | 4,732 | $7,120 AUD |
| J-K | VS2 | 5,520 | $7,095 AUD |
| J-K | VVS1 | 4,354 | $8,011 AUD |
| J-K | VVS2 | 4,149 | $7,433 AUD |
| L-M | I | 56 | $2,006 AUD |
| L-M | IF | 82 | $2,720 AUD |
| L-M | SI1 | 357 | $3,216 AUD |
| L-M | SI2 | 178 | $4,363 AUD |
| L-M | VS1 | 402 | $5,314 AUD |
| L-M | VS2 | 371 | $4,201 AUD |
| L-M | VVS1 | 274 | $3,906 AUD |
| L-M | VVS2 | 343 | $3,104 AUD |
| N+ | I | 1,123 | $5,964 AUD |
| N+ | IF | 303 | $8,384 AUD |
| N+ | SI1 | 2,783 | $13,991 AUD |
| N+ | SI2 | 2,031 | $11,706 AUD |
| N+ | VS1 | 2,636 | $8,568 AUD |
| N+ | VS2 | 3,747 | $11,973 AUD |
| N+ | VVS1 | 633 | $6,177 AUD |
| N+ | VVS2 | 1,650 | $4,196 AUD |
| N+ | other | 202 | $21,438 AUD |