Natural Diamond Market
As of September 2026, there are 11,835,337 natural diamond listings available across retailers worldwide. The average price per carat is $7,288 USD. Prices have decreased by 9.1% over the past 30 days.
Last updated: September 2026
Available by shape
Listing counts across the top 10 most-stocked shapes for this origin.
Round
6.3M
Oval
1.3M
Pear
1.1M
Emerald
912K
Cushion
575K
Princess
434K
Marquise
402K
Heart
354K
Radiant
318K
Asscher
193K
Price by carat bucket
Average price per carat rises sharply at the 1.00, 2.00 and 3.00ct marks.
0.20-0.29ct
$4.2K
0.30-0.49ct
$2.0K
0.50-0.74ct
$2.0K
0.75-0.99ct
$2.3K
1.00-1.24ct
$3.1K
1.25-1.49ct
$4.0K
1.50-1.99ct
$4.9K
2.00-2.49ct
$6.8K
2.50-2.99ct
$9.0K
3.00-3.99ct
$11.4K
4.00-4.99ct
$14.9K
5.00-9.99ct
$19.0K
10.00+ct
$32.1K
unknownct
$8.6K
Available Shapes
Round
6,270,834 listings
Avg: $8,302 USD/ct
Oval
1,271,426 listings
Avg: $8,097 USD/ct
Pear
1,078,657 listings
Avg: $8,743 USD/ct
Emerald
912,351 listings
Avg: $7,231 USD/ct
Cushion
575,335 listings
Avg: $7,748 USD/ct
Princess
433,543 listings
Avg: $5,072 USD/ct
Marquise
401,711 listings
Avg: $8,364 USD/ct
Heart
354,072 listings
Avg: $6,916 USD/ct
Radiant
318,473 listings
Avg: $7,167 USD/ct
Asscher
192,807 listings
Avg: $6,286 USD/ct
Other
19,492 listings
Avg: $6,178 USD/ct
Baguette
3,590 listings
Avg: $3,990 USD/ct
Trillion
2,930 listings
Avg: $4,035 USD/ct
Sq_radiant
116 listings
Avg: $2,342 USD/ct
By Carat Weight
| Carat Range | Listings | Avg Price/ct |
|---|---|---|
| 0.20-0.29 | 310,869 | $4,170 USD |
| 0.30-0.49 | 2,888,979 | $1,993 USD |
| 0.50-0.74 | 3,281,976 | $2,021 USD |
| 0.75-0.99 | 1,037,221 | $2,292 USD |
| 1.00-1.24 | 1,973,298 | $3,148 USD |
| 1.25-1.49 | 246,695 | $3,959 USD |
| 1.50-1.99 | 1,028,742 | $4,873 USD |
| 2.00-2.49 | 522,648 | $6,767 USD |
| 2.50-2.99 | 149,753 | $8,959 USD |
| 3.00-3.99 | 196,831 | $11,371 USD |
| 4.00-4.99 | 50,585 | $14,941 USD |
| 5.00-9.99 | 48,572 | $18,957 USD |
| 10.00+ | 3,955 | $32,108 USD |
| unknown | 95,213 | $8,595 USD |