How much does a 0.20 to 0.49ct H SI1 natural emerald diamond cost?

As of October 2026, 0.20 to 0.49ct H SI1 natural emerald diamonds typically cost HK$1,966 HKD to HK$5,533 HKD, with a median price of HK$3,021 HKD. There are currently 232 diamonds matching this specification available across retailers.

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

About 46% 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.

0.20 to 0.49ct H SI1 Natural Emerald

Quick answer

As of October 2026, there are 232 natural emerald diamonds with H colour and SI1 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run HK$1,966 HKD to HK$5,533 HKD, with a median of HK$3,021 HKD. At least 20 retailers stock this exact specification, and 46% of the stones appear at more than one of them, with an average price spread of 33%. Half of all listings fall between HK$7,575 HKD and HK$10,306 HKD per carat. The same specification in lab grown form lists at a median of about HK$5,022 HKD per carat. Over the last 30 days the median price moved -9.8% and the number of listings moved +59.5%.

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

232

Lowest Price

HK$991 HKD

Highest Price

HK$9,714 HKD

Average Price

HK$3,420 HKD

Market Intelligence

Retailers Selling

Cross Retailer %

46.4%

Price Spread

32.7%

30-Day Price Trend

-9.8%

30-Day Supply Change

+59.5%

Volatility (30d)

0.03

Price Range

Price per carat distribution across retailers

$1,064/ct

10th Percentile

$783

Median

$1,064

90th Percentile

$1,843

Score Distribution

607 diamonds scored across 4 quality tiers

Excellent

50 (8.2%)

Very Good

155 (25.5%)

Good

99 (16.3%)

Average

303 (49.9%)

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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