Lab Grown Diamond Market

As of July 2026, there are 17,661,592 lab grown diamond listings available across retailers worldwide. The average price per carat is €1,257 EUR. Prices have decreased by 4.4% over the past 30 days.

Last updated: July 2026

Available by shape

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

Round
6.5M
Oval
2.9M
Pear
1.8M
Emerald
1.3M
Cushion
1.2M
Radiant
1.1M
Marquise
938K
Princess
845K
Heart
514K
Asscher
377K

Price by carat bucket

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

0.20-0.29ct
$1.1K
0.30-0.49ct
$1.2K
0.50-0.74ct
$1.1K
0.75-0.99ct
$1.1K
1.00-1.24ct
$1.1K
1.25-1.49ct
$995
1.50-1.99ct
$1.3K
2.00-2.49ct
$1.5K
2.50-2.99ct
$1.5K
3.00-3.99ct
$1.7K
4.00-4.99ct
$1.8K
5.00-9.99ct
$2.0K
10.00+ct
$1.4K
unknownct
$1.5K

Available Shapes

Round
6,543,347 listings
Avg: €1,929 EUR/ct
Oval
2,888,174 listings
Avg: €1,486 EUR/ct
Pear
1,822,778 listings
Avg: €1,301 EUR/ct
Emerald
1,324,967 listings
Avg: €1,225 EUR/ct
Cushion
1,157,691 listings
Avg: €1,173 EUR/ct
Radiant
1,141,693 listings
Avg: €1,085 EUR/ct
Marquise
937,894 listings
Avg: €1,065 EUR/ct
Princess
844,841 listings
Avg: €1,189 EUR/ct
Heart
513,621 listings
Avg: €1,173 EUR/ct
Asscher
377,373 listings
Avg: €1,201 EUR/ct
Other
82,402 listings
Avg: €781 EUR/ct
Trillion
17,182 listings
Avg: €666 EUR/ct
Baguette
7,973 listings
Avg: €509 EUR/ct
Sq_radiant
1,656 listings
Avg: €427 EUR/ct

By Carat Weight

Carat RangeListingsAvg Price/ct
0.20-0.2981,821€1,038 EUR
0.30-0.49669,591€1,103 EUR
0.50-0.741,230,337€1,045 EUR
0.75-0.99734,599€1,041 EUR
1.00-1.243,165,066€1,007 EUR
1.25-1.49775,885€913 EUR
1.50-1.993,290,268€1,204 EUR
2.00-2.492,520,406€1,387 EUR
2.50-2.991,235,065€1,337 EUR
3.00-3.991,892,273€1,557 EUR
4.00-4.99910,038€1,667 EUR
5.00-9.99976,375€1,818 EUR
10.00+162,399€1,322 EUR
unknown17,469€1,352 EUR