How much does a 3.00 to 4.99ct lab grown princess diamond cost?

As of October 2026, 3.00 to 4.99ct lab grown princess diamonds range from €71 EUR/ct to €6,541 EUR/ct, with an average of €847 EUR/ct.

What is the price range for 3.00 to 4.99ct lab grown princess diamonds?

As of October 2026, the lowest listed price is €71 EUR per carat and the highest is €6,541 EUR per carat. The spread reflects differences in color, clarity, cut and retailer pricing.

How many 3.00 to 4.99ct lab grown princess diamonds are available?

There are 260,788 active lab grown princess listings between 3.00 to 4.99ct across 100+ retailers in the Carat Hunter index, refreshed daily.

How much can I save by comparing retailers for a 3.00 to 4.99ct lab grown princess diamond?

Approximately 45% of these diamonds are available at multiple retailers, with an average price spread of 117% between the cheapest and most expensive listing of the same stone.

Lab Grown Princess Diamonds, 3.00 to 4.99ct

Quick answer

As of October 2026, there are 260,788 listings of lab grown princess diamonds between 3.00 to 4.99ct from at least 57 retailers. A typical stone in this range costs about €3,218 EUR in total, or €847 EUR per carat, and most listings sit between €71 EUR and €6,541 EUR per carat. About 45% of these stones are listed by more than one retailer, and the same stone is priced 117% apart on average between its cheapest and most expensive seller. The best value grade combination with real depth of stock is D to E VS2 at €353 EUR per carat across 10,434 listings. The same shape in natural form runs about €9,616 EUR per carat, roughly 11.4 times more.

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

Caratlytics Diamond Price Index, September 2026: natural diamonds at 2,335 USD per carat and lab-grown at 443 USD per carat, a natural to lab ratio of 5.3 to 1. Princess lab grown stones in the index: 461 USD per carat, -4.8% month on month. See the full index release

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

Last updated: October 2026

Browse 260,788 diamonds in Explorer

Price Distribution

LowHigh

Color	FL	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	$2,294	$2,226	$844	$482	$430	$395	$335	$339	-
F-G	$3,129	-	$688	$437	$413	$429	$348	$290	-
H-I	-	$2,711	$1,132	$424	$464	$685	$447	$822	$134
J-K	-	-	-	$394	$549	$1,623	$1,548	$3,141	-
L-M	-	-	-	-	-	$2,414	-	-	-
N+	-	-	$580	$448	$488	$590	$1,543	$601	-

Price by Color & Clarity

Average price per carat for 3.00 to 4.99ct lab grown princess diamonds by color and clarity grade.

Color	Clarity	Listings	Avg Price/ct	Spread
D-E	FL	8,450	€2,054 EUR	80%
D-E	IF	6,783	€1,993 EUR	88%
D-E	SI1	547	€300 EUR	100%
D-E	SI2	32	€303 EUR	116%
D-E	VS1	65,330	€385 EUR	106%
D-E	VS2	10,434	€353 EUR	118%
D-E	VVS1	15,755	€755 EUR	101%
D-E	VVS2	63,716	€431 EUR	113%
F-G	FL	33	€2,801 EUR	52%
F-G	SI1	913	€312 EUR	116%
F-G	SI2	62	€259 EUR	127%
F-G	VS1	29,502	€370 EUR	105%
F-G	VS2	6,938	€384 EUR	105%
F-G	VVS1	2,822	€615 EUR	114%
F-G	VVS2	30,350	€391 EUR	105%
H-I	I	10	€120 EUR	102%
H-I	IF	22	€2,426 EUR	78%
H-I	SI1	285	€400 EUR	239%
H-I	SI2	22	€736 EUR	226%
H-I	VS1	4,931	€416 EUR	143%
H-I	VS2	1,531	€613 EUR	222%
H-I	VVS1	258	€1,013 EUR	114%
H-I	VVS2	1,831	€379 EUR	106%
J-K	SI1	69	€1,386 EUR	32%
J-K	SI2	53	€2,812 EUR	17%
J-K	VS1	123	€492 EUR	202%
J-K	VS2	60	€1,453 EUR	73%
J-K	VVS2	87	€353 EUR	103%
L-M	VS2	29	€2,161 EUR	26%
N+	SI1	746	€1,381 EUR	114%
N+	SI2	223	€538 EUR	419%
N+	VS1	4,579	€437 EUR	131%
N+	VS2	2,244	€528 EUR	112%
N+	VVS1	57	€519 EUR	105%
N+	VVS2	1,654	€401 EUR	118%
N+	other	307	€1,774 EUR	27%

Explore by Specification

D FL D IF D VVS1 D VVS2 D VS1 D VS2 D SI1 D SI2 E FL E IF E VVS1 E VVS2 E VS1 E VS2 E SI1 E SI2 F FL F IF F VVS1 F VVS2 F VS1 F VS2 F SI1 F SI2 G FL G IF G VVS1 G VVS2 G VS1 G VS2 G SI1 G SI2 H FL H IF H VVS1 H VVS2 H VS1 H VS2 H SI1 H SI2 I FL I IF I VVS1 I VVS2 I VS1 I VS2 I SI1 I SI2 J FL J IF J VVS1 J VVS2 J VS1 J VS2 J SI1 J SI2