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

As of September 2026, 5.00ct+ E IF natural round diamonds typically cost $380,499 NZD to $1,216,174 NZD, with a median price of $576,980 NZD. There are currently 17 diamonds matching this specification available across retailers.

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

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5.00ct+ E IF Natural Round

Quick answer

As of September 2026, there are 17 natural round diamonds with E colour and IF clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $380,499 NZD to $1,216,174 NZD, with a median of $576,980 NZD. At least 28 retailers stock this exact specification. Half of all listings fall between $86,699 NZD and $123,885 NZD per carat. The same specification in lab grown form lists at a median of about $10,231 NZD per carat.

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

$283,755 NZD

Highest Price

$2,240,385 NZD

Average Price

$726,723 NZD

Market Intelligence

Retailers Selling

Price Spread

35.9%

Price Range

Price per carat distribution across retailers

$60,246/ct

10th Percentile

$41,417

Median

$60,246

90th Percentile

$85,097

Score Distribution

17 diamonds scored across 5 quality tiers

Exceptional

1 (5.9%)

Excellent

7 (41.2%)

Very Good

4 (23.5%)

Good

2 (11.8%)

Average

3 (17.6%)

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Lab-Grown E IFSame 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