Lab Grown Diamond Market
As of July 2026, there are 17,776,607 lab grown diamond listings available across retailers worldwide. The average price per carat is $2,105 AUD. 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
6.6M
Oval
2.9M
Pear
1.8M
Emerald
1.3M
Cushion
1.2M
Radiant
1.1M
Marquise
943K
Princess
850K
Heart
516K
Asscher
378K
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
6,595,431 listings
Avg: $3,233 AUD/ct
Oval
2,903,498 listings
Avg: $2,487 AUD/ct
Pear
1,832,337 listings
Avg: $2,177 AUD/ct
Emerald
1,330,121 listings
Avg: $2,054 AUD/ct
Cushion
1,168,632 listings
Avg: $1,965 AUD/ct
Radiant
1,148,519 listings
Avg: $1,821 AUD/ct
Marquise
943,316 listings
Avg: $1,786 AUD/ct
Princess
850,450 listings
Avg: $1,989 AUD/ct
Heart
515,730 listings
Avg: $1,968 AUD/ct
Asscher
377,930 listings
Avg: $2,014 AUD/ct
Other
83,391 listings
Avg: $1,298 AUD/ct
Trillion
17,511 listings
Avg: $1,111 AUD/ct
Baguette
8,078 listings
Avg: $860 AUD/ct
Sq_radiant
1,663 listings
Avg: $716 AUD/ct
By Carat Weight
| Carat Range | Listings | Avg Price/ct |
|---|---|---|
| 0.20-0.29 | 82,620 | $1,737 AUD |
| 0.30-0.49 | 674,973 | $1,844 AUD |
| 0.50-0.74 | 1,237,459 | $1,749 AUD |
| 0.75-0.99 | 737,273 | $1,744 AUD |
| 1.00-1.24 | 3,186,697 | $1,688 AUD |
| 1.25-1.49 | 777,895 | $1,531 AUD |
| 1.50-1.99 | 3,304,713 | $2,018 AUD |
| 2.00-2.49 | 2,545,602 | $2,323 AUD |
| 2.50-2.99 | 1,248,100 | $2,241 AUD |
| 3.00-3.99 | 1,905,759 | $2,611 AUD |
| 4.00-4.99 | 915,801 | $2,789 AUD |
| 5.00-9.99 | 979,599 | $3,047 AUD |
| 10.00+ | 162,519 | $2,217 AUD |
| unknown | 17,597 | $2,265 AUD |