How much does a lab grown round diamond cost in Australia?

Lab Grown round diamonds in Australia list between $156 AUD and $41,029 AUD AUD, with a median of $2,605 AUD across 7,750,394 active listings.

Is a lab grown round diamond worth it in Australia?

Lab Grown round stones in Australia are priced in AUD and reflect local retailer markup. Cross-retailer aggregation across more than one hundred sources lets you see if a particular listing is above or below the regional median.

Where does Australia pricing data come from for round diamonds?

Carat Hunter aggregates live retailer pricing from more than one hundred jewellery sites globally and shows the Australia view in AUD. Pricing for round stones is refreshed daily.

Lab Grown Round Diamond Prices in Australia

Quick answer

As of September 2026, Carat Hunter tracks 7,750,394 lab grown round diamonds listed by at least 70 retailers. The median listing sits at $2,605 AUD per carat, and most stock falls between $156 AUD and $41,029 AUD per carat. About 20% of these stones are listed by more than one retailer, and the same stone is priced 95% apart on average between its cheapest and most expensive seller. The most common size is 1.00 to 1.24 carats, with 1,741,788 listings at an average of $1,811 AUD per carat. The best value grade combination with real depth of stock is D to E VS2 at $719 AUD per carat across 451,510 listings. The same shape in natural form runs about $11,572 AUD per carat, roughly 4.4 times more.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Round lab grown stones in the index: 438 USD per carat, -14.1% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

By Carat Weight

Price Distribution

LowHigh

Colour	FL	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	$2,315	$1,633	$818	$541	$512	$512	$534	$2,180	$3,727
F-G	$1,537	$1,732	$1,270	$805	$779	$893	$976	$1,829	$3,343
H-I	$1,377	$3,629	$1,438	$986	$1,193	$1,651	$1,641	$3,727	$2,462
J-K	$1,341	$5,529	$4,750	$2,017	$1,116	$1,909	$2,333	$3,366	$2,399
L-M	$6,292	$4,011	$3,331	$3,815	$2,695	$2,945	$2,560	$2,745	$1,554
N+	$1,687	$1,893	$771	$563	$559	$634	$817	$908	$543

By Carat Weight

Price by Colour & Clarity

Colour	Clarity	Listings	Avg Price/ct
D-E	FL	115,755	$3,249 AUD
D-E	I	1,365	$5,231 AUD
D-E	IF	209,918	$2,291 AUD
D-E	SI1	61,339	$749 AUD
D-E	SI2	14,357	$3,060 AUD
D-E	VS1	1,678,590	$719 AUD
D-E	VS2	451,510	$719 AUD
D-E	VVS1	902,671	$1,148 AUD
D-E	VVS2	2,528,986	$759 AUD
F-G	FL	1,115	$2,157 AUD
F-G	I	2,025	$4,691 AUD
F-G	IF	16,955	$2,431 AUD
F-G	SI1	29,503	$1,370 AUD
F-G	SI2	11,752	$2,567 AUD
F-G	VS1	468,106	$1,093 AUD
F-G	VS2	134,362	$1,253 AUD
F-G	VVS1	111,918	$1,782 AUD
F-G	VVS2	633,759	$1,129 AUD
H-I	FL	20	$1,932 AUD
H-I	I	2,061	$3,455 AUD
H-I	IF	2,888	$5,093 AUD
H-I	SI1	19,266	$2,303 AUD
H-I	SI2	10,994	$5,231 AUD
H-I	VS1	54,888	$1,675 AUD
H-I	VS2	37,560	$2,317 AUD
H-I	VVS1	13,224	$2,018 AUD
H-I	VVS2	37,080	$1,384 AUD
J-K	FL	12	$1,883 AUD
J-K	I	2,022	$3,366 AUD
J-K	IF	1,131	$7,760 AUD
J-K	SI1	12,554	$3,273 AUD
J-K	SI2	5,773	$4,723 AUD
J-K	VS1	22,976	$1,567 AUD
J-K	VS2	15,321	$2,679 AUD
J-K	VVS1	3,259	$6,666 AUD
J-K	VVS2	6,942	$2,830 AUD
L-M	FL	10	$8,831 AUD
L-M	I	239	$2,180 AUD
L-M	IF	346	$5,629 AUD
L-M	SI1	905	$3,592 AUD
L-M	SI2	647	$3,852 AUD
L-M	VS1	927	$3,783 AUD
L-M	VS2	1,044	$4,133 AUD
L-M	VVS1	774	$4,675 AUD
L-M	VVS2	921	$5,353 AUD
N+	FL	28	$2,368 AUD
N+	I	1,206	$762 AUD
N+	IF	736	$2,656 AUD
N+	SI1	8,677	$1,147 AUD
N+	SI2	3,124	$1,275 AUD
N+	VS1	44,948	$784 AUD
N+	VS2	21,012	$889 AUD
N+	VVS1	4,453	$1,083 AUD
N+	VVS2	29,370	$790 AUD
N+	other	9,070	$2,324 AUD