How much does a 0.50 to 0.74ct H SI1 natural princess diamond cost?

As of October 2026, 0.50 to 0.74ct H SI1 natural princess diamonds typically cost HK$4,018 HKD to HK$7,140 HKD, with a median price of HK$5,468 HKD. There are currently 476 diamonds matching this specification available across retailers.

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

About 41% of these diamonds are available at multiple retailers, with an average price spread of 25%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct H SI1 Natural Princess

Quick answer

As of October 2026, there are 476 natural princess diamonds with H colour and SI1 clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run HK$4,018 HKD to HK$7,140 HKD, with a median of HK$5,468 HKD. At least 58 retailers stock this exact specification, and 41% of the stones appear at more than one of them, with an average price spread of 25%. Half of all listings fall between HK$7,565 HKD and HK$9,727 HKD per carat. The same specification in lab grown form lists at a median of about HK$6,401 HKD per carat. Over the last 30 days the median price moved -1.3% and the number of listings moved +50.7%.

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. Princess natural stones in the index: 2,158 USD per carat, +5.7% 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: October 2026

Available

476

Lowest Price

HK$2,605 HKD

Highest Price

HK$11,886 HKD

Average Price

HK$5,648 HKD

Market Intelligence

Retailers Selling

Cross Retailer %

40.8%

Price Spread

25.4%

30-Day Price Trend

-1.3%

30-Day Supply Change

+50.7%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$1,087/ct

10th Percentile

$871

Median

$1,087

90th Percentile

$1,513

Score Distribution

972 diamonds scored across 4 quality tiers

Excellent

62 (6.4%)

Very Good

300 (30.9%)

Good

119 (12.2%)

Average

491 (50.5%)

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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

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Lab-Grown H SI1Same specifications, lab-grown origin

Save 25%

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