Natural Marquise 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 | $14K | $11K | $11K | $11K | $13K | $12K | $8,058 | $5,665 | $5,490 |
| F-G | $2,299 | $9,518 | $10K | $12K | $12K | $10K | $8,567 | $4,848 | $5,017 |
| H-I | $2,048 | $6,932 | $6,112 | $6,740 | $6,703 | $7,915 | $6,682 | $4,576 | $3,979 |
| J-K | - | $3,497 | $4,751 | $4,671 | $4,626 | $3,938 | $4,587 | $3,326 | $3,035 |
| L-M | - | $1,932 | $2,448 | $2,480 | $2,595 | $2,711 | $2,706 | $2,228 | $1,781 |
| N+ | - | $26K | $4,275 | $1,767 | $8,174 | $3,517 | $19K | $11K | $7,551 |
By Carat Weight
0.20-0.29
10,915 listings
Avg: $6,322 AUD/ct
0.30-0.49
157,751 listings
Avg: $3,324 AUD/ct
0.50-0.74
169,749 listings
Avg: $3,243 AUD/ct
0.75-0.99
29,259 listings
Avg: $4,004 AUD/ct
1.00-1.24
106,713 listings
Avg: $5,412 AUD/ct
1.25-1.49
6,078 listings
Avg: $7,559 AUD/ct
1.50-1.99
38,064 listings
Avg: $9,386 AUD/ct
2.00-2.49
24,530 listings
Avg: $12,072 AUD/ct
2.50-2.99
4,752 listings
Avg: $17,169 AUD/ct
3.00-3.99
7,165 listings
Avg: $23,906 AUD/ct
4.00-4.99
994 listings
Avg: $26,182 AUD/ct
5.00-9.99
393 listings
Avg: $27,471 AUD/ct
10.00+
26 listings
Avg: $2,258 AUD/ct
unknown
2,545 listings
Avg: $23,656 AUD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 1,923 | $20,123 AUD |
| D-E | I | 3,459 | $7,826 AUD |
| D-E | IF | 13,133 | $15,037 AUD |
| D-E | SI1 | 39,757 | $11,487 AUD |
| D-E | SI2 | 30,593 | $8,076 AUD |
| D-E | VS1 | 36,931 | $18,325 AUD |
| D-E | VS2 | 40,476 | $17,099 AUD |
| D-E | VVS1 | 29,537 | $15,273 AUD |
| D-E | VVS2 | 27,172 | $15,890 AUD |
| F-G | FL | 26 | $3,277 AUD |
| F-G | I | 3,463 | $7,151 AUD |
| F-G | IF | 6,069 | $13,568 AUD |
| F-G | SI1 | 28,957 | $12,212 AUD |
| F-G | SI2 | 31,725 | $6,911 AUD |
| F-G | VS1 | 25,071 | $16,982 AUD |
| F-G | VS2 | 27,198 | $14,611 AUD |
| F-G | VVS1 | 15,566 | $14,530 AUD |
| F-G | VVS2 | 17,344 | $17,190 AUD |
| H-I | FL | 15 | $2,919 AUD |
| H-I | I | 3,446 | $5,673 AUD |
| H-I | IF | 5,326 | $9,882 AUD |
| H-I | SI1 | 20,472 | $9,525 AUD |
| H-I | SI2 | 25,390 | $6,523 AUD |
| H-I | VS1 | 17,285 | $9,556 AUD |
| H-I | VS2 | 18,769 | $11,282 AUD |
| H-I | VVS1 | 10,975 | $8,712 AUD |
| H-I | VVS2 | 11,906 | $9,608 AUD |
| J-K | I | 1,474 | $4,327 AUD |
| J-K | IF | 2,127 | $4,985 AUD |
| J-K | SI1 | 10,722 | $6,539 AUD |
| J-K | SI2 | 11,653 | $4,741 AUD |
| J-K | VS1 | 6,959 | $6,594 AUD |
| J-K | VS2 | 8,006 | $5,613 AUD |
| J-K | VVS1 | 4,710 | $6,773 AUD |
| J-K | VVS2 | 5,085 | $6,659 AUD |
| L-M | I | 113 | $2,538 AUD |
| L-M | IF | 299 | $2,754 AUD |
| L-M | SI1 | 1,731 | $3,857 AUD |
| L-M | SI2 | 1,648 | $3,176 AUD |
| L-M | VS1 | 1,222 | $3,700 AUD |
| L-M | VS2 | 1,562 | $3,864 AUD |
| L-M | VVS1 | 681 | $3,490 AUD |
| L-M | VVS2 | 652 | $3,536 AUD |
| N+ | I | 1,484 | $10,764 AUD |
| N+ | IF | 87 | $37,031 AUD |
| N+ | SI1 | 883 | $26,388 AUD |
| N+ | SI2 | 1,190 | $15,544 AUD |
| N+ | VS1 | 1,014 | $11,652 AUD |
| N+ | VS2 | 1,406 | $5,013 AUD |
| N+ | VVS1 | 211 | $6,094 AUD |
| N+ | VVS2 | 1,863 | $2,519 AUD |
| N+ | other | 168 | $36,083 AUD |