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 €229 EUR to €636 EUR, with a median price of €345 EUR. There are currently 297 diamonds matching this specification available across retailers.

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

About 43% 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 297 natural emerald diamonds with H colour and SI1 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run €229 EUR to €636 EUR, with a median of €345 EUR. At least 19 retailers stock this exact specification, and 43% of the stones appear at more than one of them, with an average price spread of 33%. Half of all listings fall between €867 EUR and €1,187 EUR per carat. The same specification in lab grown form lists at a median of about €575 EUR per carat. Over the last 30 days the median price moved -6.8% and the number of listings moved +69.3%.

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

297

Lowest Price

€113 EUR

Highest Price

€1,112 EUR

Average Price

€392 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

42.9%

Price Spread

33.0%

30-Day Price Trend

-6.8%

30-Day Supply Change

+69.3%

Volatility (30d)

0.03

Price Range

Price per carat distribution across retailers

$1,082/ct

10th Percentile

$783

Median

$1,082

90th Percentile

$1,857

Score Distribution

771 diamonds scored across 4 quality tiers

Excellent

53 (6.9%)

Very Good

203 (26.3%)

Good

216 (28.0%)

Average

299 (38.8%)

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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

Save 17%

Lab-Grown H SI1Same specifications, lab-grown origin

Save 41%

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