Lab Grown Diamond Market

As of September 2026, there are 20,228,041 lab grown diamond listings available across retailers worldwide. The average price per carat is ₹1,19,521 INR. Prices have decreased by 7.9% 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
7.8M
Oval
3.2M
Pear
2.1M
Emerald
1.5M
Cushion
1.4M
Radiant
1.3M
Marquise
1.2M
Princess
926K
Heart
478K
Asscher
290K

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
$1.1K
0.50-0.74ct
$1.1K
0.75-0.99ct
$1.1K
1.00-1.24ct
$965
1.25-1.49ct
$896
1.50-1.99ct
$1.2K
2.00-2.49ct
$1.4K
2.50-2.99ct
$1.3K
3.00-3.99ct
$1.5K
4.00-4.99ct
$1.7K
5.00-9.99ct
$1.8K
10.00+ct
$1.4K
unknownct
$1.4K

Available Shapes

Round
7,750,394 listings
Avg: ₹1,78,122 INR/ct
Oval
3,185,213 listings
Avg: ₹1,43,726 INR/ct
Pear
2,069,389 listings
Avg: ₹1,23,432 INR/ct
Emerald
1,486,737 listings
Avg: ₹1,21,229 INR/ct
Cushion
1,363,972 listings
Avg: ₹1,10,184 INR/ct
Radiant
1,312,327 listings
Avg: ₹1,10,033 INR/ct
Marquise
1,237,162 listings
Avg: ₹1,09,539 INR/ct
Princess
925,777 listings
Avg: ₹1,12,448 INR/ct
Heart
477,619 listings
Avg: ₹1,09,210 INR/ct
Asscher
289,551 listings
Avg: ₹1,05,780 INR/ct
Other
102,103 listings
Avg: ₹72,330 INR/ct
Trillion
18,510 listings
Avg: ₹68,296 INR/ct
Baguette
7,712 listings
Avg: ₹50,904 INR/ct
Sq_radiant
1,575 listings
Avg: ₹44,087 INR/ct

By Carat Weight

Carat RangeListingsAvg Price/ct
0.20-0.2993,554₹1,01,305 INR
0.30-0.49819,197₹1,06,486 INR
0.50-0.741,301,082₹1,00,837 INR
0.75-0.99830,017₹1,02,072 INR
1.00-1.243,859,853₹92,629 INR
1.25-1.49891,643₹85,932 INR
1.50-1.993,692,414₹1,14,995 INR
2.00-2.492,770,648₹1,30,122 INR
2.50-2.991,464,632₹1,26,250 INR
3.00-3.992,105,169₹1,43,829 INR
4.00-4.991,123,690₹1,58,482 INR
5.00-9.991,097,986₹1,69,485 INR
10.00+160,297₹1,36,784 INR
unknown17,859₹1,31,527 INR