Natural Marquise Diamond Prices in Australia
As of July 2026, there are 264,049 natural marquise diamonds available. Prices range from $318 AUD/ct to $706,734 AUD/ct, with an average of $13,636 AUD/ct.
Last updated: July 2026
By Carat Weight
Price Distribution
LowHigh
| Colour | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $26K | $16K | $15K | $14K | $13K | $12K | $9,395 | $7,437 | $6,237 |
| F-G | $2,602 | $11K | $9,367 | $12K | $12K | $10K | $11K | $6,695 | $6,275 |
| H-I | $1,598 | $8,902 | $8,899 | $7,293 | $7,086 | $8,193 | $7,560 | $5,664 | $6,479 |
| J-K | - | $7,379 | $5,490 | $5,164 | $5,195 | $4,783 | $5,210 | $4,352 | $6,686 |
| L-M | - | $2,253 | $2,261 | $2,270 | $2,404 | $3,820 | $2,528 | $2,659 | $1,493 |
| N+ | - | $1,519 | $3,650 | $1,789 | $3,275 | $3,360 | $31K | $13K | $13K |
By Carat Weight
0.20-0.29
3,269 listings
Avg: $7,905 AUD/ct
0.30-0.49
67,630 listings
Avg: $2,931 AUD/ct
0.50-0.74
92,818 listings
Avg: $3,237 AUD/ct
0.75-0.99
16,598 listings
Avg: $4,021 AUD/ct
1.00-1.24
49,645 listings
Avg: $5,733 AUD/ct
1.25-1.49
2,237 listings
Avg: $7,365 AUD/ct
1.50-1.99
16,172 listings
Avg: $9,571 AUD/ct
2.00-2.49
9,388 listings
Avg: $13,323 AUD/ct
2.50-2.99
1,798 listings
Avg: $20,219 AUD/ct
3.00-3.99
2,786 listings
Avg: $22,848 AUD/ct
4.00-4.99
515 listings
Avg: $29,450 AUD/ct
5.00-9.99
523 listings
Avg: $37,008 AUD/ct
10.00+
50 listings
Avg: $74,070 AUD/ct
unknown
620 listings
Avg: $41,898 AUD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 993 | $39,992 AUD |
| D-E | I | 1,343 | $9,595 AUD |
| D-E | IF | 7,409 | $24,494 AUD |
| D-E | SI1 | 16,850 | $14,454 AUD |
| D-E | SI2 | 12,816 | $11,442 AUD |
| D-E | VS1 | 19,941 | $20,184 AUD |
| D-E | VS2 | 19,958 | $18,114 AUD |
| D-E | VVS1 | 15,990 | $23,267 AUD |
| D-E | VVS2 | 14,502 | $21,612 AUD |
| F-G | FL | 14 | $4,003 AUD |
| F-G | I | 1,324 | $9,655 AUD |
| F-G | IF | 3,150 | $16,898 AUD |
| F-G | SI1 | 12,450 | $16,985 AUD |
| F-G | SI2 | 12,274 | $10,300 AUD |
| F-G | VS1 | 13,751 | $18,138 AUD |
| F-G | VS2 | 13,689 | $15,598 AUD |
| F-G | VVS1 | 8,666 | $14,411 AUD |
| F-G | VVS2 | 9,014 | $18,095 AUD |
| H-I | FL | 11 | $2,458 AUD |
| H-I | I | 1,268 | $9,968 AUD |
| H-I | IF | 2,725 | $13,695 AUD |
| H-I | SI1 | 9,270 | $11,631 AUD |
| H-I | SI2 | 9,258 | $8,714 AUD |
| H-I | VS1 | 7,773 | $10,901 AUD |
| H-I | VS2 | 9,139 | $12,605 AUD |
| H-I | VVS1 | 5,243 | $13,691 AUD |
| H-I | VVS2 | 5,656 | $11,219 AUD |
| J-K | I | 535 | $10,286 AUD |
| J-K | IF | 1,011 | $11,352 AUD |
| J-K | SI1 | 4,753 | $8,015 AUD |
| J-K | SI2 | 4,809 | $6,696 AUD |
| J-K | VS1 | 3,141 | $7,992 AUD |
| J-K | VS2 | 4,126 | $7,359 AUD |
| J-K | VVS1 | 2,221 | $8,446 AUD |
| J-K | VVS2 | 2,044 | $7,945 AUD |
| L-M | I | 72 | $2,297 AUD |
| L-M | IF | 149 | $3,467 AUD |
| L-M | SI1 | 840 | $3,889 AUD |
| L-M | SI2 | 849 | $4,090 AUD |
| L-M | VS1 | 605 | $3,699 AUD |
| L-M | VS2 | 860 | $5,876 AUD |
| L-M | VVS1 | 286 | $3,478 AUD |
| L-M | VVS2 | 340 | $3,492 AUD |
| N+ | I | 500 | $19,318 AUD |
| N+ | IF | 12 | $2,336 AUD |
| N+ | SI1 | 406 | $47,106 AUD |
| N+ | SI2 | 443 | $20,628 AUD |
| N+ | VS1 | 303 | $5,038 AUD |
| N+ | VS2 | 429 | $5,169 AUD |
| N+ | VVS1 | 60 | $5,616 AUD |
| N+ | VVS2 | 671 | $2,752 AUD |
| N+ | other | 107 | $46,873 AUD |