Natural Round 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 | $20K | $20K | $17K | $19K | $13K | $11K | $9,009 | $6,834 | $5,730 |
| F-G | $10K | $14K | $12K | $12K | $15K | $9,759 | $7,989 | $5,791 | $3,757 |
| H-I | $6,963 | $7,736 | $8,570 | $8,095 | $8,776 | $7,026 | $6,218 | $4,895 | $4,018 |
| J-K | $3,993 | $5,386 | $5,592 | $5,288 | $6,117 | $4,947 | $4,514 | $4,464 | $3,552 |
| L-M | $2,177 | $3,250 | $3,919 | $4,128 | $3,850 | $3,569 | $3,294 | $2,865 | $2,124 |
| N+ | - | $2,957 | $3,447 | $1,584 | $3,708 | $3,277 | $3,875 | $5,109 | $3,881 |
By Carat Weight
0.20-0.29
268,538 listings
Avg: $3,038 AUD/ct
0.30-0.49
3,476,559 listings
Avg: $2,197 AUD/ct
0.50-0.74
2,594,023 listings
Avg: $2,459 AUD/ct
0.75-0.99
671,645 listings
Avg: $3,363 AUD/ct
1.00-1.24
1,059,860 listings
Avg: $4,960 AUD/ct
1.25-1.49
152,126 listings
Avg: $6,165 AUD/ct
1.50-1.99
572,618 listings
Avg: $7,676 AUD/ct
2.00-2.49
258,756 listings
Avg: $11,732 AUD/ct
2.50-2.99
81,818 listings
Avg: $14,547 AUD/ct
3.00-3.99
97,429 listings
Avg: $18,652 AUD/ct
4.00-4.99
29,380 listings
Avg: $22,238 AUD/ct
5.00-9.99
26,677 listings
Avg: $30,769 AUD/ct
10.00+
405 listings
Avg: $24,321 AUD/ct
unknown
101,026 listings
Avg: $7,285 AUD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 30,075 | $29,259 AUD |
| D-E | I | 30,765 | $8,205 AUD |
| D-E | IF | 195,547 | $28,380 AUD |
| D-E | SI1 | 386,674 | $12,899 AUD |
| D-E | SI2 | 245,874 | $9,786 AUD |
| D-E | VS1 | 479,882 | $18,355 AUD |
| D-E | VS2 | 449,213 | $16,404 AUD |
| D-E | VVS1 | 559,070 | $24,040 AUD |
| D-E | VVS2 | 422,158 | $27,343 AUD |
| D-E | other | 25 | $3,891 AUD |
| F-G | FL | 2,969 | $14,411 AUD |
| F-G | I | 45,724 | $5,380 AUD |
| F-G | IF | 162,858 | $19,483 AUD |
| F-G | SI1 | 439,467 | $11,439 AUD |
| F-G | SI2 | 313,899 | $8,292 AUD |
| F-G | VS1 | 537,231 | $21,120 AUD |
| F-G | VS2 | 539,257 | $13,973 AUD |
| F-G | VVS1 | 454,475 | $17,183 AUD |
| F-G | VVS2 | 432,024 | $16,741 AUD |
| F-G | other | 49 | $5,105 AUD |
| H-I | FL | 1,295 | $9,970 AUD |
| H-I | I | 37,206 | $5,753 AUD |
| H-I | IF | 117,279 | $11,076 AUD |
| H-I | SI1 | 341,203 | $8,903 AUD |
| H-I | SI2 | 235,675 | $7,009 AUD |
| H-I | VS1 | 438,764 | $12,567 AUD |
| H-I | VS2 | 430,859 | $10,060 AUD |
| H-I | VVS1 | 376,311 | $12,271 AUD |
| H-I | VVS2 | 357,429 | $11,591 AUD |
| H-I | other | 17 | $4,216 AUD |
| J-K | FL | 402 | $5,717 AUD |
| J-K | I | 21,859 | $5,086 AUD |
| J-K | IF | 58,028 | $7,712 AUD |
| J-K | SI1 | 160,195 | $6,463 AUD |
| J-K | SI2 | 116,615 | $6,392 AUD |
| J-K | VS1 | 190,538 | $8,759 AUD |
| J-K | VS2 | 159,588 | $7,084 AUD |
| J-K | VVS1 | 178,297 | $8,007 AUD |
| J-K | VVS2 | 167,136 | $7,572 AUD |
| L-M | FL | 80 | $3,118 AUD |
| L-M | I | 5,683 | $3,042 AUD |
| L-M | IF | 9,655 | $4,654 AUD |
| L-M | SI1 | 39,468 | $4,716 AUD |
| L-M | SI2 | 28,365 | $4,102 AUD |
| L-M | VS1 | 32,570 | $5,513 AUD |
| L-M | VS2 | 30,987 | $5,110 AUD |
| L-M | VVS1 | 30,682 | $5,612 AUD |
| L-M | VVS2 | 29,314 | $5,911 AUD |
| N+ | I | 9,536 | $5,557 AUD |
| N+ | IF | 690 | $4,234 AUD |
| N+ | SI1 | 8,952 | $5,549 AUD |
| N+ | SI2 | 8,374 | $7,316 AUD |
| N+ | VS1 | 10,088 | $5,310 AUD |
| N+ | VS2 | 8,190 | $4,692 AUD |
| N+ | VVS1 | 4,548 | $4,936 AUD |
| N+ | VVS2 | 17,029 | $2,268 AUD |
| N+ | other | 717 | $12,025 AUD |