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$1,125 HKD/ct to HK$79,801 HKD/ct, with an average of HK$7,216 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$1,125 HKD per carat and the highest is HK$79,801 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$27,423 HKD in total, or HK$7,216 HKD per carat, and most listings sit between HK$1,125 HKD and HK$79,801 HKD per carat. The best value grade combination with real depth of stock is F to G VVS2 at HK$3,291 HKD per carat across 4,520 listings. The same shape in natural form runs about HK$92,228 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$15,689 HKD	149%
D-E	IF	2,126	HK$12,524 HKD	127%
D-E	SI1	161	HK$2,703 HKD	94%
D-E	SI2	28	HK$2,361 HKD	68%
D-E	VS1	12,758	HK$3,585 HKD	81%
D-E	VS2	1,948	HK$3,390 HKD	87%
D-E	VVS1	3,918	HK$7,278 HKD	100%
D-E	VVS2	14,455	HK$3,551 HKD	92%
F-G	FL	31	HK$25,830 HKD	84%
F-G	IF	44	HK$18,711 HKD	143%
F-G	SI1	263	HK$2,995 HKD	97%
F-G	SI2	37	HK$2,230 HKD	39%
F-G	VS1	4,726	HK$3,578 HKD	97%
F-G	VS2	1,376	HK$3,436 HKD	112%
F-G	VVS1	610	HK$5,344 HKD	100%
F-G	VVS2	4,520	HK$3,291 HKD	88%
H-I	SI1	55	HK$7,300 HKD	425%
H-I	SI2	10	HK$9,316 HKD	128%
H-I	VS1	468	HK$2,896 HKD	122%
H-I	VS2	112	HK$2,572 HKD	78%
H-I	VVS1	32	HK$6,599 HKD	96%
H-I	VVS2	242	HK$2,874 HKD	95%
J-K	SI1	11	HK$17,974 HKD	7%
J-K	SI2	11	HK$52,738 HKD	48%
J-K	VS1	34	HK$4,898 HKD	88%
J-K	VS2	10	HK$5,618 HKD	186%
J-K	VVS2	31	HK$2,382 HKD	146%
N+	SI1	181	HK$3,127 HKD	91%
N+	SI2	25	HK$3,292 HKD	122%
N+	VS1	3,162	HK$4,362 HKD	90%
N+	VS2	1,026	HK$4,148 HKD	90%
N+	VVS1	27	HK$5,710 HKD	75%
N+	VVS2	1,869	HK$4,709 HKD	86%
N+	other	341	HK$15,985 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