Natural Oval 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 | $16K | $13K | $13K | $12K | $12K | $11K | $8,355 | $6,279 | $4,429 |
| F-G | $8,809 | $12K | $12K | $10K | $13K | $9,552 | $7,837 | $5,796 | $5,911 |
| H-I | $5,262 | $7,789 | $7,939 | $7,594 | $7,425 | $8,110 | $6,748 | $4,737 | $4,204 |
| J-K | - | $4,522 | $5,312 | $5,324 | $4,957 | $4,896 | $4,613 | $3,868 | $3,072 |
| L-M | - | $2,447 | $2,863 | $3,512 | $2,533 | $3,231 | $2,825 | $2,612 | $1,582 |
| N+ | $24K | $9,635 | $6,008 | $3,399 | $7,547 | $9,528 | $9,520 | $8,292 | $4,985 |
By Carat Weight
0.20-0.29
8,343 listings
Avg: $6,570 AUD/ct
0.30-0.49
262,535 listings
Avg: $3,395 AUD/ct
0.50-0.74
404,382 listings
Avg: $3,209 AUD/ct
0.75-0.99
136,006 listings
Avg: $3,487 AUD/ct
1.00-1.24
361,812 listings
Avg: $4,839 AUD/ct
1.25-1.49
57,101 listings
Avg: $5,808 AUD/ct
1.50-1.99
196,574 listings
Avg: $7,444 AUD/ct
2.00-2.49
102,379 listings
Avg: $10,722 AUD/ct
2.50-2.99
31,286 listings
Avg: $13,267 AUD/ct
3.00-3.99
41,886 listings
Avg: $18,498 AUD/ct
4.00-4.99
11,092 listings
Avg: $21,754 AUD/ct
5.00-9.99
10,835 listings
Avg: $26,955 AUD/ct
10.00+
226 listings
Avg: $31,207 AUD/ct
unknown
2,414 listings
Avg: $13,425 AUD/ct
Price by Colour & Clarity
| Colour | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 1,372 | $22,966 AUD |
| D-E | I | 6,901 | $6,341 AUD |
| D-E | IF | 14,015 | $19,158 AUD |
| D-E | SI1 | 95,840 | $11,963 AUD |
| D-E | SI2 | 65,913 | $8,991 AUD |
| D-E | VS1 | 94,477 | $16,659 AUD |
| D-E | VS2 | 96,671 | $15,333 AUD |
| D-E | VVS1 | 56,228 | $18,316 AUD |
| D-E | VVS2 | 67,154 | $17,646 AUD |
| F-G | FL | 294 | $12,614 AUD |
| F-G | I | 9,178 | $8,463 AUD |
| F-G | IF | 11,113 | $17,339 AUD |
| F-G | SI1 | 89,418 | $11,221 AUD |
| F-G | SI2 | 82,960 | $8,299 AUD |
| F-G | VS1 | 75,500 | $18,940 AUD |
| F-G | VS2 | 87,632 | $13,677 AUD |
| F-G | VVS1 | 44,492 | $16,664 AUD |
| F-G | VVS2 | 51,814 | $14,990 AUD |
| H-I | FL | 111 | $7,535 AUD |
| H-I | I | 7,463 | $6,020 AUD |
| H-I | IF | 13,775 | $11,153 AUD |
| H-I | SI1 | 70,848 | $9,663 AUD |
| H-I | SI2 | 76,375 | $6,783 AUD |
| H-I | VS1 | 64,723 | $10,631 AUD |
| H-I | VS2 | 67,085 | $11,613 AUD |
| H-I | VVS1 | 43,726 | $11,368 AUD |
| H-I | VVS2 | 46,375 | $10,874 AUD |
| J-K | I | 3,673 | $4,399 AUD |
| J-K | IF | 5,845 | $6,476 AUD |
| J-K | SI1 | 37,820 | $6,606 AUD |
| J-K | SI2 | 36,975 | $5,539 AUD |
| J-K | VS1 | 28,583 | $7,098 AUD |
| J-K | VS2 | 30,973 | $7,010 AUD |
| J-K | VVS1 | 19,676 | $7,607 AUD |
| J-K | VVS2 | 22,291 | $7,624 AUD |
| L-M | I | 655 | $2,265 AUD |
| L-M | IF | 876 | $3,504 AUD |
| L-M | SI1 | 7,095 | $4,045 AUD |
| L-M | SI2 | 6,164 | $3,740 AUD |
| L-M | VS1 | 5,294 | $3,627 AUD |
| L-M | VS2 | 6,034 | $4,627 AUD |
| L-M | VVS1 | 4,084 | $4,099 AUD |
| L-M | VVS2 | 4,096 | $5,029 AUD |
| N+ | FL | 60 | $34,482 AUD |
| N+ | I | 8,257 | $7,137 AUD |
| N+ | IF | 1,350 | $13,797 AUD |
| N+ | SI1 | 10,873 | $13,632 AUD |
| N+ | SI2 | 8,244 | $11,873 AUD |
| N+ | VS1 | 10,684 | $10,807 AUD |
| N+ | VS2 | 11,919 | $13,643 AUD |
| N+ | VVS1 | 3,972 | $8,603 AUD |
| N+ | VVS2 | 9,305 | $4,867 AUD |
| N+ | other | 620 | $16,126 AUD |