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

As of October 2026, 1.00 to 1.49ct lab grown princess diamonds range from HK$1,131 HKD/ct to HK$41,984 HKD/ct, with an average of HK$5,112 HKD/ct.

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

As of October 2026, the lowest listed price is HK$1,131 HKD per carat and the highest is HK$41,984 HKD 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 262,223 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 93% between the cheapest and most expensive listing of the same stone.

Lab Grown Princess Diamonds, 1.00 to 1.49ct

Quick answer

As of October 2026, there are 262,223 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 HK$6,135 HKD in total, or HK$5,112 HKD per carat, and most listings sit between HK$1,131 HKD and HK$41,984 HKD per carat. About 39% of these stones are listed by more than one retailer, and the same stone is priced 93% apart on average between its cheapest and most expensive seller. The best value grade combination with real depth of stock is F to G VS2 at HK$3,584 HKD per carat across 3,162 listings. The same shape in natural form runs about HK$22,345 HKD per carat, roughly 4.4 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 262,223 diamonds in Explorer

Price Distribution

LowHigh

Colour	FL	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	$926	$848	$490	$492	$490	$469	$365	$283	-
F-G	$771	$672	$572	$492	$463	$457	$419	$399	-
H-I	-	-	$765	$493	$489	$550	$753	$1,025	$223
J-K	-	-	-	$893	-	-	$802	-	-
L-M	-	-	-	$479	-	-	-	-	-
N+	$780	$1,751	$519	$460	$471	$435	$386	$1,288	$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	2,941	HK$7,266 HKD	108%
D-E	IF	11,183	HK$6,655 HKD	117%
D-E	SI1	1,041	HK$2,861 HKD	95%
D-E	SI2	56	HK$2,219 HKD	125%
D-E	VS1	60,576	HK$3,842 HKD	84%
D-E	VS2	11,003	HK$3,680 HKD	82%
D-E	VVS1	44,897	HK$3,845 HKD	112%
D-E	VVS2	85,160	HK$3,859 HKD	95%
F-G	FL	63	HK$6,050 HKD	115%
F-G	IF	513	HK$5,270 HKD	107%
F-G	SI1	450	HK$3,286 HKD	84%
F-G	SI2	22	HK$3,134 HKD	115%
F-G	VS1	11,344	HK$3,633 HKD	74%
F-G	VS2	3,162	HK$3,584 HKD	79%
F-G	VVS1	3,085	HK$4,491 HKD	78%
F-G	VVS2	12,891	HK$3,863 HKD	78%
H-I	I	10	HK$1,747 HKD	117%
H-I	SI1	42	HK$5,911 HKD	155%
H-I	SI2	29	HK$8,043 HKD	60%
H-I	VS1	830	HK$3,834 HKD	66%
H-I	VS2	256	HK$4,319 HKD	58%
H-I	VVS1	122	HK$6,003 HKD	40%
H-I	VVS2	672	HK$3,866 HKD	67%
J-K	SI1	10	HK$6,288 HKD	58%
J-K	VVS2	10	HK$7,005 HKD	71%
L-M	VVS2	13	HK$3,758 HKD	66%
N+	FL	12	HK$6,119 HKD	85%
N+	I	28	HK$1,611 HKD	95%
N+	IF	166	HK$13,740 HKD	26%
N+	SI1	903	HK$3,025 HKD	141%
N+	SI2	168	HK$10,106 HKD	119%
N+	VS1	4,481	HK$3,693 HKD	134%
N+	VS2	2,501	HK$3,415 HKD	131%
N+	VVS1	281	HK$4,075 HKD	134%
N+	VVS2	2,846	HK$3,607 HKD	133%
N+	other	456	HK$11,828 HKD	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