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

As of October 2026, 0.50 to 0.74ct H SI2 natural round diamonds typically cost HK$4,159 HKD to HK$13,312 HKD, with a median price of HK$7,416 HKD. There are currently 5,537 diamonds matching this specification available across retailers.

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

About 34% of these diamonds are available at multiple retailers, with an average price spread of 60%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct H SI2 Natural Round

Quick answer

As of October 2026, there are 5,537 natural round diamonds with H colour and SI2 clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run HK$4,159 HKD to HK$13,312 HKD, with a median of HK$7,416 HKD. At least 60 retailers stock this exact specification, and 34% of the stones appear at more than one of them, with an average price spread of 60%. Half of all listings fall between HK$8,568 HKD and HK$15,103 HKD per carat. The same specification in lab grown form lists at a median of about HK$6,042 HKD per carat. Over the last 30 days the median price moved -2.5% and the number of listings moved +8.2%.

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. Round natural stones in the index: 2,248 USD per carat, +7.6% 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

5,537

Lowest Price

HK$1,813 HKD

Highest Price

HK$24,720 HKD

Average Price

HK$8,177 HKD

Market Intelligence

Retailers Selling

Cross Retailer %

33.8%

Price Spread

60.1%

30-Day Price Trend

-2.5%

30-Day Supply Change

+8.2%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,386/ct

10th Percentile

$900

Median

$1,386

90th Percentile

$2,740

Score Distribution

9.3K diamonds scored across 4 quality tiers

Excellent

1,881 (20.3%)

Very Good

2,236 (24.1%)

Good

2,535 (27.3%)

Average

2,633 (28.4%)

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Consider Instead

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

H I1I1 inclusions are not visible without magnification

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Lab-Grown H SI2Same specifications, lab-grown origin

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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