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Natural Diamond Market

As of October 2026, there are 16,282,275 natural diamond listings available across retailers worldwide. The average price per carat is HK$46,867 HKD. Prices have decreased by 1.8% over the past 30 days.

Last updated: October 2026

Available by shape

Listing counts across the top 10 most-stocked shapes for this origin.

Round
9.2M
Oval
1.6M
Pear
1.3M
Emerald
1.2M
Cushion
730K
Princess
573K
Marquise
543K
Heart
470K
Radiant
435K
Asscher
233K

Price by carat bucket

Average price per carat rises sharply at the 1.00, 2.00 and 3.00ct marks.

0.20-0.29ct
$4.9K
0.30-0.49ct
$2.1K
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
$5.0K
2.00-2.49ct
$7.0K
2.50-2.99ct
$8.8K
3.00-3.99ct
$11.3K
4.00-4.99ct
$14.5K
5.00-9.99ct
$16.8K
10.00+ct
$14.2K
unknownct
$9.9K

Available Shapes

Round
9,152,466 listings
Avg: HK$55,824 HKD/ct
Oval
1,601,771 listings
Avg: HK$56,945 HKD/ct
Pear
1,331,379 listings
Avg: HK$52,674 HKD/ct
Emerald
1,173,727 listings
Avg: HK$44,575 HKD/ct
Cushion
729,832 listings
Avg: HK$54,182 HKD/ct
Princess
572,658 listings
Avg: HK$38,386 HKD/ct
Marquise
543,268 listings
Avg: HK$51,138 HKD/ct
Heart
470,035 listings
Avg: HK$39,707 HKD/ct
Radiant
434,864 listings
Avg: HK$46,855 HKD/ct
Asscher
233,137 listings
Avg: HK$34,068 HKD/ct
Other
30,282 listings
Avg: HK$35,271 HKD/ct
Trillion
5,152 listings
Avg: HK$29,957 HKD/ct
Baguette
3,235 listings
Avg: HK$29,295 HKD/ct
Sq_radiant
469 listings
Avg: HK$21,251 HKD/ct

By Carat Weight

Carat RangeListingsAvg Price/ct
0.20-0.29332,378HK$38,519 HKD
0.30-0.494,421,802HK$16,125 HKD
0.50-0.744,374,845HK$16,065 HKD
0.75-0.991,369,284HK$18,199 HKD
1.00-1.242,679,190HK$25,127 HKD
1.25-1.49331,951HK$31,215 HKD
1.50-1.991,388,652HK$39,032 HKD
2.00-2.49702,710HK$54,625 HKD
2.50-2.99199,113HK$69,292 HKD
3.00-3.99254,062HK$88,348 HKD
4.00-4.9959,969HK$113,901 HKD
5.00-9.9950,660HK$131,779 HKD
10.00+1,948HK$111,335 HKD
unknown115,711HK$77,384 HKD