How much does a 3.00 to 4.99ct E I1 natural round diamond cost?

As of September 2026, 3.00 to 4.99ct E I1 natural round diamonds typically cost €12,500 EUR to €47,749 EUR, with a median price of €23,896 EUR. There are currently 69 diamonds matching this specification available across retailers.

Where can I find the best price on a E I1 round diamond?

About 40% of these diamonds are available at multiple retailers, with an average price spread of 79%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct E I1 Natural Round

Quick answer

As of September 2026, there are 69 natural round diamonds with E colour and I1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run €12,500 EUR to €47,749 EUR, with a median of €23,896 EUR. At least 20 retailers stock this exact specification, and 40% of the stones appear at more than one of them, with an average price spread of 79%. Half of all listings fall between €5,148 EUR and €11,046 EUR per carat. The same specification in lab grown form lists at a median of about €9,030 EUR per carat. Over the last 30 days the median price moved -21.4% and the number of listings moved -11.8%.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Round natural stones in the index: 2,094 USD per carat, -3.8% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

Lowest Price

€9,307 EUR

Highest Price

€107,581 EUR

Average Price

€26,958 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

39.6%

Price Spread

78.6%

30-Day Price Trend

-21.4%

30-Day Supply Change

-11.8%

Volatility (30d)

0.03

Price Range

Price per carat distribution across retailers

$8,664/ct

10th Percentile

$4,578

Median

$8,664

90th Percentile

$17,117

Score Distribution

69 diamonds scored across 4 quality tiers

Excellent

8 (11.6%)

Very Good

31 (44.9%)

Good

7 (10.1%)

Average

23 (33.3%)

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Consider Instead

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

F I1F colour is visually identical to E to the naked eye

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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