How much does a 0.75 to 0.99ct H SI2 natural round diamond cost?

As of October 2026, 0.75 to 0.99ct H SI2 natural round diamonds typically cost HK$7,493 HKD to HK$22,119 HKD, with a median price of HK$12,727 HKD. There are currently 1,554 diamonds matching this specification available across retailers.

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

About 36% of these diamonds are available at multiple retailers, with an average price spread of 59%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct H SI2 Natural Round

Quick answer

As of October 2026, there are 1,554 natural round diamonds with H colour and SI2 clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run HK$7,493 HKD to HK$22,119 HKD, with a median of HK$12,727 HKD. At least 58 retailers stock this exact specification, and 36% of the stones appear at more than one of them, with an average price spread of 59%. Half of all listings fall between HK$10,659 HKD and HK$18,478 HKD per carat. The same specification in lab grown form lists at a median of about HK$8,054 HKD per carat. Over the last 30 days the median price moved -1.9% and the number of listings moved +7.8%.

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

1,554

Lowest Price

HK$3,890 HKD

Highest Price

HK$45,831 HKD

Average Price

HK$14,021 HKD

Market Intelligence

Retailers Selling

Cross Retailer %

35.6%

Price Spread

58.6%

30-Day Price Trend

-1.9%

30-Day Supply Change

+7.8%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$1,699/ct

10th Percentile

$1,149

Median

$1,699

90th Percentile

$3,325

Score Distribution

2.8K diamonds scored across 4 quality tiers

Excellent

581 (20.5%)

Very Good

606 (21.3%)

Good

819 (28.8%)

Average

835 (29.4%)

Find Your Diamond

Search 1,554 H SI2 round diamonds and compare prices.

Search Diamonds

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

Save 15%

Lab-Grown H SI2Same specifications, lab-grown origin

Save 40%

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