How much does a 3.00 to 4.99ct F SI2 lab grown heart diamond cost?

As of September 2026, 3.00 to 4.99ct F SI2 lab grown heart diamonds typically cost HK$4,368 HKD to HK$22,287 HKD, with a median price of HK$5,504 HKD. There are currently 10 diamonds matching this specification available across retailers.

Where can I find the best price on a F SI2 heart diamond?

Compare prices across retailers on Carat Hunter to see all your options.

3.00 to 4.99ct F SI2 Lab Grown Heart

Quick answer

As of September 2026, there are 10 lab grown heart diamonds with F colour and SI2 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run HK$4,368 HKD to HK$22,287 HKD, with a median of HK$5,504 HKD. At least 11 retailers stock this exact specification. Half of all listings fall between HK$1,894 HKD and HK$2,854 HKD per carat. The same specification in natural form lists at a median of about HK$45,145 HKD per carat.

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

Available

Lowest Price

HK$3,816 HKD

Highest Price

HK$119,864 HKD

Average Price

HK$18,010 HKD

Market Intelligence

Retailers Selling

Price Spread

38.7%

Price Range

Price per carat distribution across retailers

$316/ct

10th Percentile

$152

Median

$316

90th Percentile

$996

Score Distribution

10 diamonds scored across 3 quality tiers

Excellent

3 (30.0%)

Good

3 (30.0%)

Average

4 (40.0%)

Find Your Diamond

Search 10 F SI2 heart diamonds and compare prices.

Search Diamonds

Related Specifications

D IF D VVS1 D VVS2 D VS1 D VS2 D SI1 E IF E VVS1 E VVS2 E VS1 E VS2 E SI1 F IF F VVS1 F VVS2 F VS1 F VS2 F SI1 G IF G VVS1 G VVS2 G VS1 G VS2 G SI1 H IF H VVS1 H VVS2 H VS1 H VS2 H SI1 I IF I VVS1 I VVS2 I VS1 I VS2 I SI1