How much does a 1.00 to 1.49ct lab grown princess diamond cost?

As of November 2026, 1.00 to 1.49ct lab grown princess diamonds range from $190 SGD/ct to $6,847 SGD/ct, with an average of $835 SGD/ct.

What is the price range for 1.00 to 1.49ct lab grown princess diamonds?

As of November 2026, the lowest listed price is $190 SGD per carat and the highest is $6,847 SGD per carat. The spread reflects differences in colour, clarity, cut and retailer pricing.

How many 1.00 to 1.49ct lab grown princess diamonds are available?

There are 266,003 active lab grown princess listings between 1.00 to 1.49ct across 100+ retailers in the Carat Hunter index, refreshed daily.

How much can I save by comparing retailers for a 1.00 to 1.49ct lab grown princess diamond?

Approximately 39% of these diamonds are available at multiple retailers, with an average price spread of 91% between the cheapest and most expensive listing of the same stone.

Lab Grown Princess Diamonds, 1.00 to 1.49ct

Quick answer

As of November 2026, there are 266,003 listings of lab grown princess diamonds between 1.00 to 1.49ct from at least 56 retailers. A typical stone in this range costs about $1,002 SGD in total, or $835 SGD per carat, and most listings sit between $190 SGD and $6,847 SGD per carat. About 39% of these stones are listed by more than one retailer, and the same stone is priced 91% 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 $599 SGD per carat across 11,341 listings. The same shape in natural form runs about $3,657 SGD per carat, roughly 4.4 times more.

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

Caratlytics Diamond Price Index, October 2026: natural diamonds at 2,202 USD per carat and lab-grown at 462 USD per carat, a natural to lab ratio of 4.8 to 1. Princess lab grown stones in the index: 458 USD per carat, -2.9% 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: November 2026

Browse 266,003 diamonds in Explorer

Price Distribution

LowHigh

Colour	FL	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	$925	$850	$492	$494	$494	$467	$363	$288	-
F-G	$758	$672	$568	$498	$468	$469	$423	$444	-
H-I	-	-	$748	$493	$487	$551	$878	$1,025	$223
J-K	-	-	-	$893	-	-	$802	-	-
L-M	-	-	-	$476	-	-	-	-	-
N+	$780	$1,685	$539	$460	$468	$429	$386	$1,305	$205

Price by Colour & Clarity

Average price per carat for 1.00 to 1.49ct lab grown princess diamonds by colour and clarity grade.

Colour	Clarity	Listings	Avg Price/ct	Spread
D-E	FL	3,001	$1,185 SGD	106%
D-E	IF	11,215	$1,089 SGD	117%
D-E	SI1	1,099	$465 SGD	96%
D-E	SI2	57	$369 SGD	117%
D-E	VS1	61,170	$632 SGD	83%
D-E	VS2	11,341	$599 SGD	81%
D-E	VVS1	44,942	$631 SGD	111%
D-E	VVS2	86,712	$633 SGD	94%
F-G	FL	65	$971 SGD	106%
F-G	IF	516	$861 SGD	107%
F-G	SI1	458	$542 SGD	80%
F-G	SI2	20	$569 SGD	118%
F-G	VS1	11,691	$599 SGD	74%
F-G	VS2	3,199	$601 SGD	79%
F-G	VVS1	3,155	$728 SGD	79%
F-G	VVS2	13,040	$638 SGD	80%
H-I	I	10	$285 SGD	117%
H-I	SI1	45	$1,124 SGD	129%
H-I	SI2	29	$1,314 SGD	59%
H-I	VS1	832	$624 SGD	64%
H-I	VS2	256	$705 SGD	56%
H-I	VVS1	123	$958 SGD	40%
H-I	VVS2	676	$631 SGD	67%
J-K	SI1	10	$1,027 SGD	58%
J-K	VVS2	10	$1,144 SGD	72%
L-M	VVS2	13	$610 SGD	66%
N+	FL	12	$999 SGD	85%
N+	I	28	$263 SGD	95%
N+	IF	166	$2,158 SGD	25%
N+	SI1	908	$494 SGD	141%
N+	SI2	164	$1,672 SGD	114%
N+	VS1	4,608	$599 SGD	135%
N+	VS2	2,600	$549 SGD	131%
N+	VVS1	292	$691 SGD	134%
N+	VVS2	2,944	$589 SGD	134%
N+	other	596	$1,808 SGD	28%

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