Natural Marquise Diamond Prices in Australia
As of June 2026, there are 238,752 natural marquise diamonds available. Prices range from $286 AUD/ct to $485,561 AUD/ct, with an average of $12,680 AUD/ct.
Last updated: June 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $28K | $17K | $15K | $9,958 | $9,783 | $12K | $9,783 | $7,714 | $4,947 |
| F-G | - | $12K | $9,497 | $7,518 | $8,922 | $11K | $11K | $6,889 | $5,175 |
| H-I | $1,598 | $8,539 | $10K | $8,304 | $6,899 | $8,644 | $7,844 | $6,761 | $4,883 |
| J-K | - | $6,095 | $5,798 | $5,201 | $4,765 | $4,675 | $5,633 | $5,445 | $3,405 |
| L-M | - | $2,065 | $2,158 | $2,368 | $2,500 | $3,491 | $2,480 | $2,946 | $1,364 |
| N+ | - | $3,178 | $4,017 | $1,869 | $3,887 | $3,395 | $28K | $9,695 | $9,235 |
By Carat Weight
0.20-0.29
2,089 listings
Avg: $4,410 AUD/ct
0.30-0.49
67,473 listings
Avg: $2,640 AUD/ct
0.50-0.74
86,487 listings
Avg: $3,019 AUD/ct
0.75-0.99
14,598 listings
Avg: $4,175 AUD/ct
1.00-1.24
39,472 listings
Avg: $5,787 AUD/ct
1.25-1.49
1,830 listings
Avg: $7,761 AUD/ct
1.50-1.99
12,984 listings
Avg: $9,813 AUD/ct
2.00-2.49
7,785 listings
Avg: $13,873 AUD/ct
2.50-2.99
1,325 listings
Avg: $18,932 AUD/ct
3.00-3.99
2,748 listings
Avg: $24,431 AUD/ct
4.00-4.99
662 listings
Avg: $31,008 AUD/ct
5.00-9.99
678 listings
Avg: $34,603 AUD/ct
10.00+
34 listings
Avg: $73,706 AUD/ct
unknown
587 listings
Avg: $30,140 AUD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 912 | $43,643 AUD |
| D-E | I | 854 | $7,611 AUD |
| D-E | IF | 7,330 | $26,001 AUD |
| D-E | SI1 | 16,365 | $15,051 AUD |
| D-E | SI2 | 10,600 | $11,867 AUD |
| D-E | VS1 | 18,978 | $15,050 AUD |
| D-E | VS2 | 19,168 | $18,144 AUD |
| D-E | VVS1 | 15,527 | $22,583 AUD |
| D-E | VVS2 | 14,517 | $15,321 AUD |
| F-G | I | 821 | $7,962 AUD |
| F-G | IF | 3,017 | $17,755 AUD |
| F-G | SI1 | 12,116 | $17,618 AUD |
| F-G | SI2 | 9,242 | $10,599 AUD |
| F-G | VS1 | 12,555 | $13,726 AUD |
| F-G | VS2 | 12,842 | $16,387 AUD |
| F-G | VVS1 | 8,458 | $14,610 AUD |
| F-G | VVS2 | 9,048 | $11,566 AUD |
| H-I | FL | 11 | $2,458 AUD |
| H-I | I | 705 | $7,513 AUD |
| H-I | IF | 2,126 | $13,136 AUD |
| H-I | SI1 | 8,336 | $12,067 AUD |
| H-I | SI2 | 7,423 | $10,402 AUD |
| H-I | VS1 | 6,334 | $10,614 AUD |
| H-I | VS2 | 7,712 | $13,299 AUD |
| H-I | VVS1 | 4,446 | $15,893 AUD |
| H-I | VVS2 | 4,818 | $12,776 AUD |
| J-K | I | 351 | $5,238 AUD |
| J-K | IF | 860 | $9,377 AUD |
| J-K | SI1 | 4,200 | $8,666 AUD |
| J-K | SI2 | 3,921 | $8,377 AUD |
| J-K | VS1 | 2,794 | $7,331 AUD |
| J-K | VS2 | 3,497 | $7,192 AUD |
| J-K | VVS1 | 2,019 | $8,919 AUD |
| J-K | VVS2 | 1,775 | $8,002 AUD |
| L-M | I | 48 | $2,099 AUD |
| L-M | IF | 155 | $3,177 AUD |
| L-M | SI1 | 781 | $3,815 AUD |
| L-M | SI2 | 783 | $4,533 AUD |
| L-M | VS1 | 548 | $3,846 AUD |
| L-M | VS2 | 689 | $5,371 AUD |
| L-M | VVS1 | 277 | $3,321 AUD |
| L-M | VVS2 | 283 | $3,643 AUD |
| N+ | I | 215 | $14,207 AUD |
| N+ | IF | 10 | $4,889 AUD |
| N+ | SI1 | 216 | $42,894 AUD |
| N+ | SI2 | 238 | $14,915 AUD |
| N+ | VS1 | 176 | $5,979 AUD |
| N+ | VS2 | 230 | $5,223 AUD |
| N+ | VVS1 | 20 | $6,179 AUD |
| N+ | VVS2 | 405 | $2,875 AUD |