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

As of September 2026, 5.00ct+ E IF lab grown heart diamonds typically cost $7,492 NZD to $31,621 NZD, with a median price of $12,774 NZD. There are currently 18 diamonds matching this specification available across retailers.

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

Compare prices across retailers on Carat Hunter to see all your options.

5.00ct+ E IF Lab Grown Heart

Quick answer

As of September 2026, there are 18 lab grown heart diamonds with E colour and IF clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $7,492 NZD to $31,621 NZD, with a median of $12,774 NZD. At least 10 retailers stock this exact specification. Half of all listings fall between $19,704 NZD and $42,573 NZD per carat. The same specification in natural form lists at a median of about $95,720 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. Heart lab grown stones in the index: 440 USD per carat, -9.4% 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

$6,519 NZD

Highest Price

$234,974 NZD

Average Price

$17,311 NZD