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

As of November 2026, 1.00 to 1.49ct lab grown heart diamonds range from HK$1,226 HKD/ct to HK$19,375 HKD/ct, with an average of HK$4,251 HKD/ct.

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

As of November 2026, the lowest listed price is HK$1,226 HKD per carat and the highest is HK$19,375 HKD 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 242,277 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 52% of these diamonds are available at multiple retailers, with an average price spread of 104% between the cheapest and most expensive listing of the same stone.

Lab Grown Heart Diamonds, 1.00 to 1.49ct

Quick answer

As of November 2026, there are 242,277 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 HK$5,101 HKD in total, or HK$4,251 HKD per carat, and most listings sit between HK$1,226 HKD and HK$19,375 HKD per carat. About 52% of these stones are listed by more than one retailer, and the same stone is priced 104% 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 HK$3,070 HKD per carat across 9,174 listings. The same shape in natural form runs about HK$24,878 HKD per carat, roughly 5.9 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. Heart lab grown stones in the index: 428 USD per carat, +1.4% 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 242,277 diamonds in Explorer

Price Distribution

LowHigh

Colour	FL	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	$607	$628	$449	$418	$406	$391	$359	$347	-
F-G	$466	$589	$415	$408	$409	$404	$475	-	-
H-I	-	-	$362	$456	$511	$1,193	$805	$1,013	$447
J-K	-	-	-	$575	$488	$462	$982	-	-
L-M	-	-	-	-	$413	-	-	-	-
N+	-	$1,240	$518	$448	$433	$421	$331	$236	$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	3,662	HK$4,764 HKD	113%
D-E	IF	8,318	HK$4,930 HKD	110%
D-E	SI1	887	HK$2,816 HKD	116%
D-E	SI2	113	HK$2,724 HKD	87%
D-E	VS1	50,620	HK$3,189 HKD	98%
D-E	VS2	9,174	HK$3,070 HKD	103%
D-E	VVS1	34,456	HK$3,522 HKD	110%
D-E	VVS2	80,667	HK$3,280 HKD	109%
F-G	FL	22	HK$3,659 HKD	145%
F-G	IF	162	HK$4,620 HKD	96%
F-G	SI1	170	HK$3,725 HKD	79%
F-G	VS1	6,918	HK$3,208 HKD	88%
F-G	VS2	1,291	HK$3,172 HKD	89%
F-G	VVS1	2,055	HK$3,257 HKD	112%
F-G	VVS2	9,667	HK$3,198 HKD	100%
H-I	I	12	HK$3,503 HKD	95%
H-I	SI1	108	HK$6,315 HKD	97%
H-I	SI2	15	HK$7,947 HKD	37%
H-I	VS1	200	HK$4,013 HKD	71%
H-I	VS2	64	HK$9,362 HKD	76%
H-I	VVS1	41	HK$2,840 HKD	130%
H-I	VVS2	290	HK$3,577 HKD	88%
J-K	SI1	29	HK$7,706 HKD	34%
J-K	VS1	10	HK$3,827 HKD	95%
J-K	VS2	18	HK$3,627 HKD	75%
J-K	VVS2	90	HK$4,508 HKD	72%
L-M	VS1	31	HK$3,238 HKD	54%
N+	I	129	HK$2,625 HKD	141%
N+	IF	96	HK$9,732 HKD	97%
N+	SI1	1,325	HK$2,598 HKD	148%
N+	SI2	506	HK$1,852 HKD	197%
N+	VS1	14,067	HK$3,395 HKD	139%
N+	VS2	5,318	HK$3,306 HKD	139%
N+	VVS1	889	HK$4,067 HKD	135%
N+	VVS2	9,785	HK$3,518 HKD	134%
N+	other	1,072	HK$11,440 HKD	19%

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