Lab Grown Diamond Market
As of April 2026, there are 15,089,195 lab grown diamond listings available across retailers worldwide. The average price per carat is $2,025 AUD. Prices have increased by 0.1% 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
5.6M
Oval
2.6M
Pear
1.3M
Emerald
1.2M
Radiant
1.2M
Marquise
831K
Cushion
820K
Princess
759K
Heart
398K
Asscher
276K
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
$984
1.50-1.99ct
$1.2K
2.00-2.49ct
$1.5K
2.50-2.99ct
$1.4K
3.00-3.99ct
$1.6K
4.00-4.99ct
$1.9K
5.00-9.99ct
$1.9K
10.00+ct
$929
unknownct
$1.6K
Available Shapes
Round
5,584,598 listings
Avg: $3,261 AUD/ct
Oval
2,583,044 listings
Avg: $2,317 AUD/ct
Pear
1,346,968 listings
Avg: $2,144 AUD/ct
Emerald
1,241,321 listings
Avg: $1,990 AUD/ct
Radiant
1,172,839 listings
Avg: $1,758 AUD/ct
Marquise
831,277 listings
Avg: $1,662 AUD/ct
Cushion
819,541 listings
Avg: $1,804 AUD/ct
Princess
759,388 listings
Avg: $1,833 AUD/ct
Heart
397,921 listings
Avg: $1,807 AUD/ct
Asscher
276,231 listings
Avg: $1,675 AUD/ct
Other
54,122 listings
Avg: $1,397 AUD/ct
Trillion
13,991 listings
Avg: $1,179 AUD/ct
Baguette
6,806 listings
Avg: $918 AUD/ct
Sq_radiant
1,148 listings
Avg: $659 AUD/ct
By Carat Weight
| Carat Range | Listings | Avg Price/ct |
|---|---|---|
| 0.20-0.29 | 90,325 | $1,758 AUD |
| 0.30-0.49 | 713,814 | $1,818 AUD |
| 0.50-0.74 | 1,019,682 | $1,706 AUD |
| 0.75-0.99 | 666,828 | $1,628 AUD |
| 1.00-1.24 | 2,392,123 | $1,713 AUD |
| 1.25-1.49 | 693,424 | $1,514 AUD |
| 1.50-1.99 | 2,772,359 | $1,904 AUD |
| 2.00-2.49 | 2,291,509 | $2,309 AUD |
| 2.50-2.99 | 1,008,499 | $2,178 AUD |
| 3.00-3.99 | 1,807,518 | $2,435 AUD |
| 4.00-4.99 | 729,876 | $2,850 AUD |
| 5.00-9.99 | 760,766 | $2,989 AUD |
| 10.00+ | 123,841 | $1,429 AUD |
| unknown | 18,631 | $2,444 AUD |