How much does a 5.00ct+ E SI1 natural emerald diamond cost?

As of October 2026, 5.00ct+ E SI1 natural emerald diamonds typically cost $100,033 USD to $208,695 USD, with a median price of $149,690 USD. There are currently 13 diamonds matching this specification available across retailers.

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

About 33% of these diamonds are available at multiple retailers, with an average price spread of 25%. A comparison tool like Carat Hunter lets you see all the prices side by side.

5.00ct+ E SI1 Natural Emerald

Quick answer

As of October 2026, there are 13 natural emerald diamonds with E color and SI1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $100,033 USD to $208,695 USD, with a median of $149,690 USD. At least 33 retailers stock this exact specification, and 33% of the stones appear at more than one of them, with an average price spread of 25%. Half of all listings fall between $24,294 USD and $31,200 USD per carat. The same specification in lab grown form lists at a median of about $355 USD per carat. Over the last 30 days the median price moved -1.0% and the number of listings moved +9.6%.

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

$72,367 USD

Highest Price

$285,330 USD

Average Price

$151,477 USD

Market Intelligence

Retailers Selling

Cross Retailer %

32.8%

Price Spread

25.2%

30-Day Price Trend

-1.0%

30-Day Supply Change

+9.6%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$27,451/ct

10th Percentile

$19,545

Median

$27,451

90th Percentile

$34,567

Score Distribution

32 diamonds scored across 4 quality tiers

Excellent

6 (18.8%)

Very Good

9 (28.1%)

Good

5 (15.6%)

Average

12 (37.5%)

Find Your Diamond

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Consider Instead

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

E SI2SI2 inclusions are not visible without magnification

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Lab-Grown E 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