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

As of November 2026, 3.00 to 4.99ct lab grown heart diamonds range from HK$812 HKD/ct to HK$47,330 HKD/ct, with an average of HK$4,948 HKD/ct.

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

As of November 2026, the lowest listed price is HK$812 HKD per carat and the highest is HK$47,330 HKD per carat. The spread reflects differences in colour, clarity, cut and retailer pricing.

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

There are 103,663 active lab grown heart listings between 3.00 to 4.99ct across 100+ retailers in the Carat Hunter index, refreshed daily.

How much can I save by comparing retailers for a 3.00 to 4.99ct lab grown heart diamond?

Approximately 51% of these diamonds are available at multiple retailers, with an average price spread of 103% between the cheapest and most expensive listing of the same stone.

Lab Grown Heart Diamonds, 3.00 to 4.99ct

Quick answer

As of November 2026, there are 103,663 listings of lab grown heart diamonds between 3.00 to 4.99ct from at least 55 retailers. A typical stone in this range costs about HK$18,804 HKD in total, or HK$4,948 HKD per carat, and most listings sit between HK$812 HKD and HK$47,330 HKD per carat. About 51% of these stones are listed by more than one retailer, and the same stone is priced 103% apart on average between its cheapest and most expensive seller. The best value grade combination with real depth of stock is F to G VVS2 at HK$3,381 HKD per carat across 7,331 listings. The same shape in natural form runs about HK$61,844 HKD per carat, roughly 12.5 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: November 2026

Browse 103,663 diamonds in Explorer

Price Distribution

LowHigh

Colour	FL	IF	VVS1	VVS2	VS1	VS2	SI1	SI2	I
D-E	$1,613	$1,510	$824	$449	$467	$468	$319	$243	-
F-G	$1,411	$1,200	$603	$431	$489	$524	$377	$273	-
H-I	-	-	$505	$350	$429	$334	$944	-	-
J-K	-	-	-	$329	-	$330	-	-	-
N+	-	-	$745	$448	$443	$375	$299	$293	$337

Price by Colour & Clarity

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

Colour	Clarity	Listings	Avg Price/ct	Spread
D-E	FL	2,347	HK$12,659 HKD	129%
D-E	IF	3,930	HK$11,846 HKD	102%
D-E	SI1	303	HK$2,503 HKD	107%
D-E	SI2	56	HK$1,906 HKD	103%
D-E	VS1	20,995	HK$3,660 HKD	93%
D-E	VS2	3,301	HK$3,670 HKD	95%
D-E	VVS1	6,258	HK$6,465 HKD	94%
D-E	VVS2	25,552	HK$3,520 HKD	102%
F-G	FL	39	HK$11,067 HKD	95%
F-G	IF	66	HK$9,416 HKD	99%
F-G	SI1	403	HK$2,955 HKD	96%
F-G	SI2	33	HK$2,139 HKD	93%
F-G	VS1	7,676	HK$3,839 HKD	95%
F-G	VS2	2,079	HK$4,113 HKD	111%
F-G	VVS1	915	HK$4,730 HKD	94%
F-G	VVS2	7,331	HK$3,381 HKD	100%
H-I	SI1	77	HK$7,404 HKD	113%
H-I	VS1	578	HK$3,367 HKD	97%
H-I	VS2	156	HK$2,617 HKD	100%
H-I	VVS1	49	HK$3,965 HKD	103%
H-I	VVS2	423	HK$2,748 HKD	122%
J-K	VS2	23	HK$2,592 HKD	103%
J-K	VVS2	52	HK$2,578 HKD	120%
N+	I	10	HK$2,644 HKD	112%
N+	SI1	747	HK$2,342 HKD	130%
N+	SI2	123	HK$2,297 HKD	113%
N+	VS1	10,175	HK$3,474 HKD	110%
N+	VS2	3,770	HK$2,938 HKD	124%
N+	VVS1	163	HK$5,842 HKD	100%
N+	VVS2	5,627	HK$3,518 HKD	111%
N+	other	406	HK$14,203 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