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

As of September 2026, 3.00 to 4.99ct lab grown princess diamonds range from $266 NZD/ct to $25,278 NZD/ct, with an average of $2,222 NZD/ct.

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

As of September 2026, the lowest listed price is $266 NZD per carat and the highest is $25,278 NZD per carat. The spread reflects differences in colour, clarity, cut and retailer pricing.

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

There are 161,132 active lab grown princess listings between 3.00 to 4.99ct across 100+ retailers in the Carat Hunter index, refreshed daily.

Lab Grown Princess Diamonds, 3.00 to 4.99ct

Quick answer

As of September 2026, there are 161,132 lab grown princess diamonds between 3.00 to 4.99ct listed by at least 52 retailers. A typical stone in this range costs about $8,445 NZD in total, or $2,222 NZD per carat, and most listings sit between $266 NZD and $25,278 NZD per carat. The best value grade combination with real depth of stock is F to G VS1 at $715 NZD per carat across 21,114 listings. The same shape in natural form runs about $17,669 NZD per carat, roughly 8.0 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

Browse 161,132 diamonds in Explorer

Price Distribution

LowHigh

Colour	FL	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	$3,667	$2,855	$1,050	$489	$460	$428	$360	$907	-
F-G	$3,591	-	$739	$424	$416	$459	$361	$301	-
H-I	-	$2,757	$1,428	$424	$467	$900	$1,135	$1,587	-
J-K	-	-	-	$338	$719	$1,848	$2,100	$3,362	$6,373
L-M	-	-	-	-	-	$2,793	-	-	-
N+	-	-	-	$544	$592	$706	$1,899	$1,284	-

Price by Colour & Clarity

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

Colour	Clarity	Listings	Avg Price/ct	Spread
D-E	FL	5,545	$6,299 NZD	93%
D-E	IF	4,790	$4,904 NZD	111%
D-E	SI1	340	$619 NZD	171%
D-E	SI2	22	$1,559 NZD	757%
D-E	VS1	34,478	$791 NZD	101%
D-E	VS2	5,834	$735 NZD	169%
D-E	VVS1	9,567	$1,804 NZD	134%
D-E	VVS2	40,898	$841 NZD	142%
F-G	FL	25	$6,169 NZD	55%
F-G	SI1	624	$621 NZD	131%
F-G	SI2	40	$517 NZD	116%
F-G	VS1	21,114	$715 NZD	156%
F-G	VS2	5,158	$789 NZD	174%
F-G	VVS1	1,720	$1,270 NZD	155%
F-G	VVS2	20,678	$729 NZD	136%
H-I	IF	10	$4,737 NZD	47%
H-I	SI1	279	$1,949 NZD	140%
H-I	SI2	27	$2,726 NZD	495%
H-I	VS1	3,497	$802 NZD	173%
H-I	VS2	1,157	$1,546 NZD	192%
H-I	VVS1	158	$2,453 NZD	70%
H-I	VVS2	1,362	$728 NZD	179%
J-K	I	13	$10,949 NZD	0%
J-K	SI1	103	$3,608 NZD	10%
J-K	SI2	19	$5,775 NZD	12%
J-K	VS1	74	$1,235 NZD	220%
J-K	VS2	69	$3,175 NZD	66%
J-K	VVS2	47	$580 NZD	151%
L-M	VS2	10	$4,798 NZD	17%
N+	SI1	282	$3,263 NZD	160%
N+	SI2	77	$2,205 NZD	344%
N+	VS1	1,441	$1,017 NZD	119%
N+	VS2	795	$1,212 NZD	131%
N+	VVS2	624	$935 NZD	105%
N+	other	255	$3,473 NZD	26%

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