Lab Grown Diamond Market
As of November 2026, there are 28,636,020 lab grown diamond listings available across retailers worldwide. The average price per carat is $1,068 AUD. Prices have increased by 0.3% over the past 30 days.
Last updated: November 2026
Available by shape
Listing counts across the top 10 most-stocked shapes for this origin.
Round
9.3M
Oval
4.5M
Pear
3.0M
Emerald
2.6M
Radiant
2.3M
Marquise
2.1M
Cushion
1.8M
Princess
1.4M
Heart
905K
Asscher
537K
Price by carat bucket
Average price per carat rises sharply at the 1.00, 2.00 and 3.00ct marks.
0.20-0.29ct
$714
0.30-0.49ct
$801
0.50-0.74ct
$760
0.75-0.99ct
$665
1.00-1.24ct
$603
1.25-1.49ct
$586
1.50-1.99ct
$688
2.00-2.49ct
$803
2.50-2.99ct
$800
3.00-3.99ct
$793
4.00-4.99ct
$787
5.00-9.99ct
$852
10.00+ct
$554
unknownct
$1.1K
Available Shapes
Round
9,319,280 listings
Avg: $1,181 AUD/ct
Oval
4,466,151 listings
Avg: $1,090 AUD/ct
Pear
3,001,019 listings
Avg: $1,050 AUD/ct
Emerald
2,601,800 listings
Avg: $1,057 AUD/ct
Radiant
2,264,715 listings
Avg: $1,022 AUD/ct
Marquise
2,075,202 listings
Avg: $1,060 AUD/ct
Cushion
1,827,667 listings
Avg: $1,211 AUD/ct
Princess
1,421,923 listings
Avg: $1,116 AUD/ct
Heart
905,015 listings
Avg: $903 AUD/ct
Asscher
537,362 listings
Avg: $1,120 AUD/ct
Other
174,520 listings
Avg: $917 AUD/ct
Trillion
23,518 listings
Avg: $963 AUD/ct
Baguette
13,077 listings
Avg: $1,054 AUD/ct
Sq_radiant
4,771 listings
Avg: $835 AUD/ct
By Carat Weight
| Carat Range | Listings | Avg Price/ct |
|---|---|---|
| 0.20-0.29 | 125,958 | $1,040 AUD |
| 0.30-0.49 | 982,440 | $1,165 AUD |
| 0.50-0.74 | 1,470,784 | $1,106 AUD |
| 0.75-0.99 | 985,175 | $968 AUD |
| 1.00-1.24 | 4,680,693 | $878 AUD |
| 1.25-1.49 | 1,107,467 | $853 AUD |
| 1.50-1.99 | 4,862,776 | $1,002 AUD |
| 2.00-2.49 | 4,218,472 | $1,169 AUD |
| 2.50-2.99 | 2,226,485 | $1,165 AUD |
| 3.00-3.99 | 3,619,295 | $1,154 AUD |
| 4.00-4.99 | 1,753,721 | $1,145 AUD |
| 5.00-9.99 | 2,274,577 | $1,241 AUD |
| 10.00+ | 310,465 | $806 AUD |
| unknown | 17,712 | $1,571 AUD |