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

As of October 2026, 5.00ct+ E IF lab grown round diamonds typically cost $7,532 NZD to $57,425 NZD, with a median price of $23,857 NZD. There are currently 95 diamonds matching this specification available across retailers.

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

About 33% of these diamonds are available at multiple retailers, with an average price spread of 20%. A comparison tool like Carat Hunter lets you see all the prices side by side.

5.00ct+ E IF Lab Grown Round

Quick answer

As of October 2026, there are 95 lab grown round diamonds with E colour and IF clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $7,532 NZD to $57,425 NZD, with a median of $23,857 NZD. At least 12 retailers stock this exact specification, and 33% of the stones appear at more than one of them, with an average price spread of 20%. Half of all listings fall between $11,676 NZD and $14,230 NZD per carat. The same specification in natural form lists at a median of about $111,712 NZD per carat.

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 lab grown stones in the index: 414 USD per carat, -5.0% 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

$5,112 NZD

Highest Price

$176,946 NZD

Average Price

$29,596 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

33.3%

Price Spread

19.8%

Price Range

Price per carat distribution across retailers

$7,260/ct

10th Percentile

$6,210

Median

$7,260

90th Percentile

$9,482

Score Distribution

231 diamonds scored across 5 quality tiers

Exceptional

3 (1.3%)

Excellent

101 (43.7%)

Very Good

54 (23.4%)

Good

64 (27.7%)

Average

9 (3.9%)

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Consider Instead

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

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

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E VVS1VVS1 inclusions are not visible without magnification

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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