How much does a 0.50 to 0.74ct H SI2 natural heart diamond cost?

As of November 6, 2026, 0.50 to 0.74ct H SI2 natural heart diamonds typically cost HK$3,075 HKD to HK$8,067 HKD, with a median price of HK$4,959 HKD. There are currently 284 diamonds matching this specification available across retailers.

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

About 23% of these diamonds are available at multiple retailers, with an average price spread of 27%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct H SI2 Natural Heart

Quick answer

As of November 6, 2026, there are 284 natural heart diamonds with H colour and SI2 clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run HK$3,075 HKD to HK$8,067 HKD, with a median of HK$4,959 HKD. Half of all listings fall between HK$7,173 HKD and HK$9,405 HKD per carat. Over the last 30 days the median price moved -0.9% and the number of listings moved -0.4%.

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

Caratlytics Diamond Price Index, October 2026: natural diamonds at 2,202 USD per carat and lab-grown at 462 USD per carat, a natural to lab ratio of 4.8 to 1. Heart natural stones in the index: 2,289 USD per carat, -3.7% month on month. See the full index release

Figures come from current listings across more than 125 retailers. The index is a monthly release.

Last updated: November 6, 2026

Available

284

Lowest Price

HK$2,524 HKD

Highest Price

HK$17,046 HKD

Average Price

HK$5,444 HKD

Market Intelligence

Cross Retailer %

23.2%

Price Spread

27.1%

30-Day Price Trend

-0.9%

30-Day Supply Change

-0.4%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,052/ct

10th Percentile

$689

Median

$1,052

90th Percentile

$1,591

Score Distribution

284 diamonds scored across 4 quality tiers

Excellent

37 (13.0%)

Very Good

44 (15.5%)

Good

80 (28.2%)

Average

123 (43.3%)

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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