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

As of September 2026, 3.00 to 4.99ct lab grown heart diamonds range from HK$1,147 HKD/ct to HK$81,369 HKD/ct, with an average of HK$7,358 HKD/ct.

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

As of September 2026, the lowest listed price is HK$1,147 HKD per carat and the highest is HK$81,369 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 56,019 active lab grown heart listings between 3.00 to 4.99ct across 100+ retailers in the Carat Hunter index, refreshed daily.

Lab Grown Heart Diamonds, 3.00 to 4.99ct

Quick answer

As of September 2026, there are 56,019 lab grown heart diamonds between 3.00 to 4.99ct listed by at least 48 retailers. A typical stone in this range costs about HK$27,961 HKD in total, or HK$7,358 HKD per carat, and most listings sit between HK$1,147 HKD and HK$81,369 HKD per carat. The best value grade combination with real depth of stock is F to G VVS2 at HK$3,356 HKD per carat across 4,520 listings. The same shape in natural form runs about HK$94,040 HKD per carat, roughly 12.8 times more.

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

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Heart lab grown stones in the index: 440 USD per carat, -9.4% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Browse 56,019 diamonds in Explorer

Price Distribution

LowHigh

Colour	FL	IF	VVS1	VVS2	VS1	VS2	SI1	SI2
D-E	$2,040	$1,628	$946	$462	$466	$441	$351	$307
F-G	$3,358	$2,432	$695	$428	$465	$447	$389	$290
H-I	-	-	$858	$374	$377	$334	$949	$1,211
J-K	-	-	-	$310	$637	$730	$2,337	$6,856
N+	-	-	$742	$612	$567	$539	$407	$428

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	1,371	HK$15,997 HKD	149%
D-E	IF	2,126	HK$12,770 HKD	127%
D-E	SI1	161	HK$2,756 HKD	94%
D-E	SI2	28	HK$2,408 HKD	68%
D-E	VS1	12,758	HK$3,655 HKD	81%
D-E	VS2	1,948	HK$3,457 HKD	87%
D-E	VVS1	3,918	HK$7,421 HKD	100%
D-E	VVS2	14,455	HK$3,620 HKD	92%
F-G	FL	31	HK$26,337 HKD	84%
F-G	IF	44	HK$19,079 HKD	143%
F-G	SI1	263	HK$3,054 HKD	97%
F-G	SI2	37	HK$2,274 HKD	39%
F-G	VS1	4,726	HK$3,648 HKD	97%
F-G	VS2	1,376	HK$3,504 HKD	112%
F-G	VVS1	610	HK$5,449 HKD	100%
F-G	VVS2	4,520	HK$3,356 HKD	88%
H-I	SI1	55	HK$7,443 HKD	425%
H-I	SI2	10	HK$9,499 HKD	128%
H-I	VS1	468	HK$2,953 HKD	122%
H-I	VS2	112	HK$2,622 HKD	78%
H-I	VVS1	32	HK$6,728 HKD	96%
H-I	VVS2	242	HK$2,930 HKD	95%
J-K	SI1	11	HK$18,327 HKD	7%
J-K	SI2	11	HK$53,774 HKD	48%
J-K	VS1	34	HK$4,995 HKD	88%
J-K	VS2	10	HK$5,728 HKD	186%
J-K	VVS2	31	HK$2,429 HKD	146%
N+	SI1	181	HK$3,189 HKD	91%
N+	SI2	25	HK$3,356 HKD	122%
N+	VS1	3,162	HK$4,448 HKD	90%
N+	VS2	1,026	HK$4,230 HKD	90%
N+	VVS1	27	HK$5,822 HKD	75%
N+	VVS2	1,869	HK$4,801 HKD	86%
N+	other	341	HK$16,299 HKD	14%

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