Natural Diamond Market
As of November 2026, there are 16,795,651 natural diamond listings available across retailers worldwide. The average price per carat is $8,950 AUD. Prices have decreased by 0.9% over the past 30 days.
Last updated: November 2026
Available by shape
Listing counts across the top 10 most-stocked shapes for this origin.
Round
9.5M
Oval
1.6M
Pear
1.4M
Emerald
1.2M
Cushion
738K
Princess
579K
Marquise
557K
Heart
487K
Radiant
437K
Asscher
240K
Price by carat bucket
Average price per carat rises sharply at the 1.00, 2.00 and 3.00ct marks.
0.20-0.29ct
$4.8K
0.30-0.49ct
$2.0K
0.50-0.74ct
$2.0K
0.75-0.99ct
$2.3K
1.00-1.24ct
$3.2K
1.25-1.49ct
$4.0K
1.50-1.99ct
$4.8K
2.00-2.49ct
$6.9K
2.50-2.99ct
$8.7K
3.00-3.99ct
$11.4K
4.00-4.99ct
$15.1K
5.00-9.99ct
$19.4K
10.00+ct
$21.3K
unknownct
$9.2K
Available Shapes
Round
9,519,423 listings
Avg: $11,177 AUD/ct
Oval
1,629,051 listings
Avg: $10,854 AUD/ct
Pear
1,366,176 listings
Avg: $10,085 AUD/ct
Emerald
1,201,444 listings
Avg: $8,909 AUD/ct
Cushion
737,771 listings
Avg: $10,025 AUD/ct
Princess
578,992 listings
Avg: $7,112 AUD/ct
Marquise
557,153 listings
Avg: $10,804 AUD/ct
Heart
487,157 listings
Avg: $6,895 AUD/ct
Radiant
437,214 listings
Avg: $8,592 AUD/ct
Asscher
240,164 listings
Avg: $6,225 AUD/ct
Other
32,196 listings
Avg: $6,416 AUD/ct
Trillion
5,228 listings
Avg: $5,428 AUD/ct
Baguette
3,197 listings
Avg: $5,282 AUD/ct
Sq_radiant
485 listings
Avg: $3,900 AUD/ct
By Carat Weight
| Carat Range | Listings | Avg Price/ct |
|---|---|---|
| 0.20-0.29 | 337,318 | $6,870 AUD |
| 0.30-0.49 | 4,652,877 | $2,849 AUD |
| 0.50-0.74 | 4,507,887 | $2,874 AUD |
| 0.75-0.99 | 1,393,631 | $3,283 AUD |
| 1.00-1.24 | 2,712,814 | $4,542 AUD |
| 1.25-1.49 | 338,124 | $5,649 AUD |
| 1.50-1.99 | 1,420,584 | $6,887 AUD |
| 2.00-2.49 | 720,429 | $9,818 AUD |
| 2.50-2.99 | 201,155 | $12,441 AUD |
| 3.00-3.99 | 257,440 | $16,206 AUD |
| 4.00-4.99 | 66,822 | $21,538 AUD |
| 5.00-9.99 | 67,037 | $27,671 AUD |
| 10.00+ | 2,919 | $30,389 AUD |
| unknown | 116,614 | $13,103 AUD |