How much does a 1.00 to 1.49ct H SI2 natural round diamond cost?

As of September 2026, 1.00 to 1.49ct H SI2 natural round diamonds typically cost HK$12,694 HKD to HK$32,682 HKD, with a median price of HK$18,742 HKD. There are currently 7,048 diamonds matching this specification available across retailers.

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

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1.00 to 1.49ct H SI2 Natural Round

Quick answer

As of September 2026, there are 7,048 natural round diamonds with H colour and SI2 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run HK$12,694 HKD to HK$32,682 HKD, with a median of HK$18,742 HKD. At least 62 retailers stock this exact specification. Half of all listings fall between HK$15,163 HKD and HK$21,777 HKD per carat. The same specification in lab grown form lists at a median of about HK$16,864 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. Round natural stones in the index: 2,094 USD per carat, -3.8% 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

7,048

Lowest Price

HK$3,851 HKD

Highest Price

HK$144,551 HKD

Average Price

HK$21,009 HKD

Market Intelligence

Retailers Selling

Price Spread

36.2%

Price Range

Price per carat distribution across retailers

$2,330/ct

10th Percentile

$1,631

Median

$2,330

90th Percentile

$3,455

Score Distribution

7.0K diamonds scored across 4 quality tiers

Excellent

1,613 (22.9%)

Very Good

2,197 (31.2%)

Good

1,926 (27.3%)

Average

1,312 (18.6%)

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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