How much does a 3.00 to 4.99ct H SI1 natural emerald diamond cost?

As of October 2026, 3.00 to 4.99ct H SI1 natural emerald diamonds typically cost HK$249,151 HKD to HK$708,521 HKD, with a median price of HK$431,566 HKD. There are currently 39 diamonds matching this specification available across retailers.

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

About 33% of these diamonds are available at multiple retailers, with an average price spread of 33%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct H SI1 Natural Emerald

Quick answer

As of October 2026, there are 39 natural emerald diamonds with H colour and SI1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run HK$249,151 HKD to HK$708,521 HKD, with a median of HK$431,566 HKD. At least 54 retailers stock this exact specification, and 33% of the stones appear at more than one of them, with an average price spread of 33%. Half of all listings fall between HK$72,648 HKD and HK$101,238 HKD per carat. The same specification in lab grown form lists at a median of about HK$3,646 HKD per carat. Over the last 30 days the median price moved -2.3% and the number of listings moved +16.6%.

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. Emerald natural stones in the index: 2,278 USD per carat, +6.2% 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

Lowest Price

HK$88,322 HKD

Highest Price

HK$1,062,434 HKD

Average Price

HK$469,569 HKD

Market Intelligence

Retailers Selling

Cross Retailer %

33.3%

Price Spread

33.4%

30-Day Price Trend

-2.3%

30-Day Supply Change

+16.6%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$10,915/ct

10th Percentile

$7,553

Median

$10,915

90th Percentile

$15,111

Score Distribution

139 diamonds scored across 4 quality tiers

Excellent

10 (7.2%)

Very Good

28 (20.1%)

Good

14 (10.1%)

Average

87 (62.6%)

Find Your Diamond

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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

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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