How much does a 3.00 to 4.99ct E IF lab grown round diamond cost?

As of September 2026, 3.00 to 4.99ct E IF lab grown round diamonds typically cost $1,396 NZD to $28,009 NZD, with a median price of $5,326 NZD. There are currently 961 diamonds matching this specification available across retailers.

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

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3.00 to 4.99ct E IF Lab Grown Round

Quick answer

As of September 2026, there are 961 lab grown round diamonds with E colour and IF clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $1,396 NZD to $28,009 NZD, with a median of $5,326 NZD. At least 47 retailers stock this exact specification. Half of all listings fall between $953 NZD and $4,227 NZD per carat. The same specification in natural form lists at a median of about $80,116 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 lab grown stones in the index: 438 USD per carat, -14.1% 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

961

Lowest Price

$823 NZD

Highest Price

$165,336 NZD

Average Price

$11,406 NZD

Market Intelligence

Retailers Selling

Price Spread

212.6%

Price Range

Price per carat distribution across retailers

$889/ct

10th Percentile

$408

Median

$889

90th Percentile

$3,457

Score Distribution

961 diamonds scored across 5 quality tiers

Exceptional

1 (0.1%)

Excellent

374 (38.9%)

Very Good

204 (21.2%)

Good

122 (12.7%)

Average

260 (27.1%)

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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

Save 17%

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