How much does a 5.00ct+ E I1 natural round diamond cost?

As of October 2026, 5.00ct+ E I1 natural round diamonds typically cost $91,775 CAD to $173,923 CAD, with a median price of $157,931 CAD. There are currently 2 diamonds matching this specification available across retailers.

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

About 13% of these diamonds are available at multiple retailers, with an average price spread of 17%. A comparison tool like Carat Hunter lets you see all the prices side by side.

5.00ct+ E I1 Natural Round

Quick answer

As of October 2026, there are 2 natural round diamonds with E color and I1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $91,775 CAD to $173,923 CAD, with a median of $157,931 CAD. At least 10 retailers stock this exact specification, and 13% of the stones appear at more than one of them, with an average price spread of 17%. Half of all listings fall between $13,987 CAD and $16,674 CAD per carat. The same specification in lab grown form lists at a median of about $230 CAD per carat. Over the last 30 days the median price moved -3.8% and the number of listings moved 0.0%.

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. Round natural stones in the index: 2,248 USD per carat, +7.6% 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

$61,082 CAD

Highest Price

$199,712 CAD

Average Price

$146,447 CAD

Market Intelligence

Retailers Selling

Cross Retailer %

12.5%

Price Spread

17.1%

30-Day Price Trend

-3.8%

30-Day Supply Change

0.0%

Volatility (30d)

0.03

Price Range

Price per carat distribution across retailers

$11,208/ct

10th Percentile

$9,342

Median

$11,208

90th Percentile

$12,585

Score Distribution

17 diamonds scored across 3 quality tiers

Very Good

2 (11.8%)

Good

4 (23.5%)

Average

11 (64.7%)

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Consider Instead

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

Lab-Grown E I1Same 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