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

As of October 2026, 1.00 to 1.49ct lab grown heart diamonds range from $200 SGD/ct to $3,804 SGD/ct, with an average of $776 SGD/ct.

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

As of October 2026, the lowest listed price is $200 SGD per carat and the highest is $3,804 SGD per carat. The spread reflects differences in colour, clarity, cut and retailer pricing.

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

There are 239,644 active lab grown heart 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 heart diamond?

Approximately 53% of these diamonds are available at multiple retailers, with an average price spread of 106% between the cheapest and most expensive listing of the same stone.

Lab Grown Heart Diamonds, 1.00 to 1.49ct

Quick answer

As of October 2026, there are 239,644 listings of lab grown heart diamonds between 1.00 to 1.49ct from at least 53 retailers. A typical stone in this range costs about $932 SGD in total, or $776 SGD per carat, and most listings sit between $200 SGD and $3,804 SGD per carat. About 53% of these stones are listed by more than one retailer, and the same stone is priced 106% 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 $504 SGD per carat across 9,056 listings. The same shape in natural form runs about $4,052 SGD per carat, roughly 5.2 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. Heart lab grown stones in the index: 421 USD per carat, -1.8% 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 239,644 diamonds in Explorer

Price Distribution

LowHigh

Colour	FL	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	$626	$621	$446	$416	$404	$393	$358	$341	-
F-G	$594	$609	$410	$408	$412	$401	$478	$1,555	-
H-I	-	-	$359	$412	$505	$1,242	$860	$1,653	$1,309
J-K	-	-	-	$540	$504	$442	$903	-	-
L-M	-	-	-	-	$411	-	-	-	-
N+	-	$1,269	$527	$453	$443	$423	$339	$239	$335

Price by Colour & Clarity

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

Colour	Clarity	Listings	Avg Price/ct	Spread
D-E	FL	3,615	$802 SGD	125%
D-E	IF	8,219	$796 SGD	110%
D-E	SI1	866	$459 SGD	117%
D-E	SI2	117	$437 SGD	102%
D-E	VS1	51,294	$519 SGD	98%
D-E	VS2	9,056	$504 SGD	103%
D-E	VVS1	33,688	$572 SGD	110%
D-E	VVS2	79,915	$534 SGD	109%
F-G	FL	34	$762 SGD	130%
F-G	IF	156	$781 SGD	98%
F-G	SI1	159	$613 SGD	96%
F-G	SI2	10	$1,994 SGD	33%
F-G	VS1	7,030	$528 SGD	85%
F-G	VS2	1,312	$515 SGD	95%
F-G	VVS1	2,094	$525 SGD	116%
F-G	VVS2	10,010	$524 SGD	99%
H-I	I	11	$1,678 SGD	65%
H-I	SI1	118	$1,102 SGD	95%
H-I	SI2	65	$2,120 SGD	51%
H-I	VS1	198	$647 SGD	83%
H-I	VS2	69	$1,593 SGD	87%
H-I	VVS1	42	$461 SGD	130%
H-I	VVS2	306	$528 SGD	101%
J-K	SI1	43	$1,158 SGD	63%
J-K	VS1	18	$646 SGD	133%
J-K	VS2	20	$567 SGD	99%
J-K	VVS2	90	$692 SGD	79%
L-M	VS1	31	$527 SGD	65%
N+	I	130	$430 SGD	138%
N+	IF	86	$1,626 SGD	98%
N+	SI1	1,326	$435 SGD	143%
N+	SI2	477	$306 SGD	196%
N+	VS1	13,253	$568 SGD	137%
N+	VS2	5,045	$542 SGD	140%
N+	VVS1	845	$676 SGD	144%
N+	VVS2	9,053	$581 SGD	133%
N+	other	843	$1,968 SGD	16%

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