Natural Marquise Diamond Prices in Australia
As of July 2026, there are 266,762 natural marquise diamonds available. Prices range from $318 AUD/ct to $706,734 AUD/ct, with an average of $13,646 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 | $9,387 | $7,435 | $6,245 |
| F-G | $2,602 | $11K | $9,361 | $12K | $12K | $10K | $11K | $6,696 | $6,294 |
| H-I | $1,598 | $8,899 | $8,876 | $7,359 | $7,078 | $8,172 | $7,385 | $5,657 | $6,498 |
| J-K | - | $7,370 | $5,499 | $5,158 | $5,198 | $4,786 | $5,206 | $4,348 | $6,706 |
| L-M | - | $2,249 | $2,260 | $2,272 | $2,398 | $3,819 | $2,529 | $2,664 | $1,493 |
| N+ | - | $1,519 | $3,495 | $1,724 | $3,287 | $3,361 | $31K | $13K | $13K |
By Carat Weight
0.20-0.29
3,279 listings
Avg: $7,835 AUD/ct
0.30-0.49
68,667 listings
Avg: $3,048 AUD/ct
0.50-0.74
93,278 listings
Avg: $3,240 AUD/ct
0.75-0.99
16,679 listings
Avg: $4,021 AUD/ct
1.00-1.24
50,567 listings
Avg: $5,736 AUD/ct
1.25-1.49
2,230 listings
Avg: $7,396 AUD/ct
1.50-1.99
16,276 listings
Avg: $9,579 AUD/ct
2.00-2.49
9,474 listings
Avg: $13,325 AUD/ct
2.50-2.99
1,797 listings
Avg: $20,281 AUD/ct
3.00-3.99
2,804 listings
Avg: $22,928 AUD/ct
4.00-4.99
513 listings
Avg: $29,246 AUD/ct
5.00-9.99
523 listings
Avg: $37,008 AUD/ct
10.00+
50 listings
Avg: $74,070 AUD/ct
unknown
625 listings
Avg: $41,884 AUD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 989 | $40,057 AUD |
| D-E | I | 1,544 | $9,608 AUD |
| D-E | IF | 7,494 | $24,521 AUD |
| D-E | SI1 | 16,988 | $14,441 AUD |
| D-E | SI2 | 13,269 | $11,438 AUD |
| D-E | VS1 | 19,933 | $20,163 AUD |
| D-E | VS2 | 19,957 | $18,111 AUD |
| D-E | VVS1 | 15,982 | $23,301 AUD |
| D-E | VVS2 | 14,645 | $21,774 AUD |
| F-G | FL | 14 | $4,003 AUD |
| F-G | I | 1,552 | $9,683 AUD |
| F-G | IF | 3,190 | $17,123 AUD |
| F-G | SI1 | 12,493 | $16,943 AUD |
| F-G | SI2 | 12,579 | $10,302 AUD |
| F-G | VS1 | 13,771 | $18,027 AUD |
| F-G | VS2 | 13,688 | $15,578 AUD |
| F-G | VVS1 | 8,678 | $14,401 AUD |
| F-G | VVS2 | 9,010 | $18,078 AUD |
| H-I | FL | 11 | $2,458 AUD |
| H-I | I | 1,492 | $9,996 AUD |
| H-I | IF | 2,731 | $13,690 AUD |
| H-I | SI1 | 9,286 | $11,361 AUD |
| H-I | SI2 | 9,494 | $8,704 AUD |
| H-I | VS1 | 7,828 | $10,889 AUD |
| H-I | VS2 | 9,201 | $12,572 AUD |
| H-I | VVS1 | 5,318 | $13,655 AUD |
| H-I | VVS2 | 5,693 | $11,322 AUD |
| J-K | I | 672 | $10,316 AUD |
| J-K | IF | 1,012 | $11,338 AUD |
| J-K | SI1 | 4,827 | $8,010 AUD |
| J-K | SI2 | 4,895 | $6,689 AUD |
| J-K | VS1 | 3,163 | $7,996 AUD |
| J-K | VS2 | 4,161 | $7,363 AUD |
| J-K | VVS1 | 2,238 | $8,460 AUD |
| J-K | VVS2 | 2,048 | $7,935 AUD |
| L-M | I | 72 | $2,297 AUD |
| L-M | IF | 148 | $3,461 AUD |
| L-M | SI1 | 838 | $3,890 AUD |
| L-M | SI2 | 857 | $4,099 AUD |
| L-M | VS1 | 601 | $3,689 AUD |
| L-M | VS2 | 862 | $5,875 AUD |
| L-M | VVS1 | 283 | $3,477 AUD |
| L-M | VVS2 | 337 | $3,495 AUD |
| N+ | I | 499 | $19,393 AUD |
| N+ | IF | 12 | $2,336 AUD |
| N+ | SI1 | 407 | $47,141 AUD |
| N+ | SI2 | 445 | $20,591 AUD |
| N+ | VS1 | 302 | $5,057 AUD |
| N+ | VS2 | 430 | $5,170 AUD |
| N+ | VVS1 | 61 | $5,377 AUD |
| N+ | VVS2 | 663 | $2,653 AUD |
| N+ | other | 99 | $47,823 AUD |