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

As of October 2026, 5.00ct+ E IF natural round diamonds typically cost $366,074 NZD to $1,118,576 NZD, with a median price of $641,376 NZD. There are currently 8 diamonds matching this specification available across retailers.

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

About 42% of these diamonds are available at multiple retailers, with an average price spread of 39%. A comparison tool like Carat Hunter lets you see all the prices side by side.

5.00ct+ E IF Natural Round

Quick answer

As of October 2026, there are 8 natural round diamonds with E colour and IF clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $366,074 NZD to $1,118,576 NZD, with a median of $641,376 NZD. At least 36 retailers stock this exact specification, and 42% of the stones appear at more than one of them, with an average price spread of 39%. Half of all listings fall between $87,902 NZD and $129,500 NZD per carat. The same specification in lab grown form lists at a median of about $5,232 NZD per carat. Over the last 30 days the median price moved +2.7% and the number of listings moved +7.0%.

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

$273,755 NZD

Highest Price

$2,322,024 NZD

Average Price

$732,303 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

41.8%

Price Spread

38.7%

30-Day Price Trend

+2.7%

30-Day Supply Change

+7.0%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$60,339/ct

10th Percentile

$42,514

Median

$60,339

90th Percentile

$82,658

Score Distribution

19 diamonds scored across 5 quality tiers

Exceptional

3 (15.8%)

Excellent

7 (36.8%)

Very Good

5 (26.3%)

Good

1 (5.3%)

Average

3 (15.8%)

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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