How much does a 3.00 to 4.99ct I SI2 natural emerald diamond cost?

As of October 2026, 3.00 to 4.99ct I SI2 natural emerald diamonds typically cost €19,732 EUR to €98,185 EUR, with a median price of €40,242 EUR. There are currently 21 diamonds matching this specification available across retailers.

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

About 21% of these diamonds are available at multiple retailers, with an average price spread of 52%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct I SI2 Natural Emerald

Quick answer

As of October 2026, there are 21 natural emerald diamonds with I colour and SI2 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run €19,732 EUR to €98,185 EUR, with a median of €40,242 EUR. At least 42 retailers stock this exact specification, and 21% of the stones appear at more than one of them, with an average price spread of 52%. Half of all listings fall between €6,553 EUR and €11,304 EUR per carat. The same specification in lab grown form lists at a median of about €315 EUR per carat. Over the last 30 days the median price moved -2.1% and the number of listings moved +12.2%.

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

€10,254 EUR

Highest Price

€123,486 EUR

Average Price

€50,174 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

21.4%

Price Spread

51.7%

30-Day Price Trend

-2.1%

30-Day Supply Change

+12.2%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$10,229/ct

10th Percentile

$6,015

Median

$10,229

90th Percentile

$14,828

Score Distribution

106 diamonds scored across 4 quality tiers

Excellent

11 (10.4%)

Very Good

14 (13.2%)

Good

13 (12.3%)

Average

68 (64.2%)

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Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

J SI2J colour is visually identical to I to the naked eye

Save 43%

Lab-Grown I SI2Same specifications, lab-grown origin

Save 97%

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