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Natural Diamond Market

As of April 2026, there are 7,284,717 natural diamond listings available across retailers worldwide. The average price per carat is ₩9,153,661 KRW. Prices have decreased by 9.5% over the past 30 days.

Last updated: April 2026

Available by shape

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

Round
3.3M
Oval
897K
Pear
770K
Emerald
715K
Heart
369K
Cushion
351K
Princess
292K
Marquise
201K
Radiant
186K
Asscher
140K

Price by carat bucket

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

0.20-0.29ct
$3.7K
0.30-0.49ct
$1.9K
0.50-0.74ct
$2.1K
0.75-0.99ct
$2.3K
1.00-1.24ct
$3.1K
1.25-1.49ct
$3.8K
1.50-1.99ct
$4.6K
2.00-2.49ct
$6.6K
2.50-2.99ct
$8.5K
3.00-3.99ct
$11.1K
4.00-4.99ct
$14.2K
5.00-9.99ct
$18.5K
10.00+ct
$31.0K
unknownct
$8.6K

Available Shapes

Round
3,342,166 listings
Avg: ₩10,884,615 KRW/ct
Oval
897,102 listings
Avg: ₩9,834,387 KRW/ct
Pear
769,507 listings
Avg: ₩10,710,380 KRW/ct
Emerald
715,154 listings
Avg: ₩9,509,599 KRW/ct
Heart
369,153 listings
Avg: ₩8,717,571 KRW/ct
Cushion
350,960 listings
Avg: ₩9,546,244 KRW/ct
Princess
292,253 listings
Avg: ₩5,729,138 KRW/ct
Marquise
201,351 listings
Avg: ₩9,864,621 KRW/ct
Radiant
185,996 listings
Avg: ₩9,755,632 KRW/ct
Asscher
140,129 listings
Avg: ₩8,414,480 KRW/ct
Other
14,618 listings
Avg: ₩5,083,021 KRW/ct
Baguette
4,668 listings
Avg: ₩4,727,788 KRW/ct
Trillion
1,660 listings
Avg: ₩5,859,348 KRW/ct

By Carat Weight

Carat RangeListingsAvg Price/ct
0.20-0.29187,968₩4,883,761 KRW
0.30-0.491,518,891₩2,575,964 KRW
0.50-0.742,082,218₩2,759,569 KRW
0.75-0.99677,200₩3,041,547 KRW
1.00-1.241,283,923₩4,186,525 KRW
1.25-1.49146,994₩5,034,889 KRW
1.50-1.99644,098₩6,140,481 KRW
2.00-2.49338,698₩8,789,529 KRW
2.50-2.99102,525₩11,308,093 KRW
3.00-3.99142,607₩14,789,523 KRW
4.00-4.9939,808₩18,951,477 KRW
5.00-9.9945,884₩24,657,978 KRW
10.00+3,226₩41,247,062 KRW
unknown70,677₩11,447,221 KRW