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

Lab Grown princess diamonds in Australia list between $219 AUD and $25,927 AUD AUD, with a median of $1,807 AUD across 910,676 active listings.

Is a lab grown princess diamond worth it in Australia?

Lab Grown princess 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 princess diamonds?

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

Lab Grown Princess Diamond Prices in Australia

Quick answer

As of September 2026, Carat Hunter tracks 910,676 lab grown princess diamonds listed by at least 57 retailers. The median listing sits at $1,807 AUD per carat, and most stock falls between $219 AUD and $25,927 AUD per carat. About 2% of these stones are listed by more than one retailer, and the same stone is priced 110% apart on average between its cheapest and most expensive seller. The most common size is 2.00 to 2.49 carats, with 179,924 listings at an average of $1,951 AUD per carat. The best value grade combination with real depth of stock is F to G VS1 at $836 AUD per carat across 93,653 listings. The same shape in natural form runs about $7,803 AUD per carat, roughly 4.3 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. Princess lab grown stones in the index: 481 USD per carat, -7.3% 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	$2,385	$1,887	$809	$599	$567	$551	$454	$1,018	$2,980
F-G	$1,935	$1,165	$738	$564	$543	$616	$690	$1,796	$2,071
H-I	-	$2,138	$1,334	$580	$650	$985	$1,359	$1,912	$2,529
J-K	-	$1,460	$2,142	$979	$1,135	$1,546	$1,595	$1,959	$2,901
L-M	-	-	$1,165	$1,703	$1,238	$1,285	$1,130	$917	$540
N+	-	$1,787	$646	$731	$705	$802	$1,229	$1,824	-

By Carat Weight

Price by Colour & Clarity

Colour	Clarity	Listings	Avg Price/ct
D-E	FL	14,543	$3,670 AUD
D-E	I	39	$4,584 AUD
D-E	IF	23,502	$2,903 AUD
D-E	SI1	2,369	$698 AUD
D-E	SI2	248	$1,566 AUD
D-E	VS1	201,685	$872 AUD
D-E	VS2	33,653	$848 AUD
D-E	VVS1	99,336	$1,245 AUD
D-E	VVS2	273,089	$921 AUD
F-G	FL	73	$2,976 AUD
F-G	I	85	$3,186 AUD
F-G	IF	740	$1,793 AUD
F-G	SI1	2,812	$1,062 AUD
F-G	SI2	470	$2,763 AUD
F-G	VS1	93,653	$836 AUD
F-G	VS2	22,347	$948 AUD
F-G	VVS1	10,040	$1,135 AUD
F-G	VVS2	85,358	$867 AUD
H-I	I	86	$3,890 AUD
H-I	IF	106	$3,288 AUD
H-I	SI1	1,380	$2,091 AUD
H-I	SI2	268	$2,942 AUD
H-I	VS1	10,324	$999 AUD
H-I	VS2	4,099	$1,515 AUD
H-I	VVS1	966	$2,052 AUD
H-I	VVS2	4,984	$892 AUD
J-K	I	70	$4,463 AUD
J-K	IF	74	$2,247 AUD
J-K	SI1	1,534	$2,454 AUD
J-K	SI2	474	$3,014 AUD
J-K	VS1	471	$1,746 AUD
J-K	VS2	947	$2,378 AUD
J-K	VVS1	103	$3,296 AUD
J-K	VVS2	320	$1,507 AUD
L-M	I	11	$831 AUD
L-M	SI1	34	$1,738 AUD
L-M	SI2	15	$1,411 AUD
L-M	VS1	34	$1,905 AUD
L-M	VS2	47	$1,977 AUD
L-M	VVS1	33	$1,792 AUD
L-M	VVS2	10	$2,621 AUD
N+	IF	203	$2,749 AUD
N+	SI1	1,294	$1,890 AUD
N+	SI2	345	$2,807 AUD
N+	VS1	8,557	$1,085 AUD
N+	VS2	3,864	$1,234 AUD
N+	VVS1	158	$993 AUD
N+	VVS2	4,053	$1,125 AUD
N+	other	1,770	$2,621 AUD