How much does a 0.20 to 0.49ct H SI1 natural heart diamond cost?

As of November 2026, 0.20 to 0.49ct H SI1 natural heart diamonds typically cost HK$2,620 HKD to HK$4,560 HKD, with a median price of HK$3,687 HKD. There are currently 243 diamonds matching this specification available across retailers.

Where can I find the best price on a H SI1 heart diamond?

About 25% of these diamonds are available at multiple retailers, with an average price spread of 51%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct H SI1 Natural Heart

Quick answer

As of November 2026, there are 243 natural heart diamonds with H colour and SI1 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run HK$2,620 HKD to HK$4,560 HKD, with a median of HK$3,687 HKD. At least 12 retailers stock this exact specification, and 25% of the stones appear at more than one of them, with an average price spread of 51%. Half of all listings fall between HK$8,991 HKD and HK$14,283 HKD per carat.

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 natural stones in the index: 2,374 USD per carat, +9.8% 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

Available

243

Lowest Price

HK$1,581 HKD

Highest Price

HK$8,632 HKD

Average Price

HK$3,676 HKD

Market Intelligence

Retailers Selling

Cross Retailer %

25.0%

Price Spread

50.8%

Price Range

Price per carat distribution across retailers

$1,328/ct

10th Percentile

$1,062

Median

$1,328

90th Percentile

$2,214

Score Distribution

499 diamonds scored across 4 quality tiers

Excellent

56 (11.2%)

Very Good

110 (22.0%)

Good

91 (18.2%)

Average

242 (48.5%)

Find Your Diamond

Search 243 H SI1 heart diamonds and compare prices.

Search Diamonds

Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

H SI2SI2 inclusions are not visible without magnification

Save 12%

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