How much does a 3.00 to 4.99ct G IF lab grown heart diamond cost?

As of September 2026, 3.00 to 4.99ct G IF lab grown heart diamonds typically cost €3,055 EUR to €17,869 EUR, with a median price of €9,638 EUR. There are currently 4 diamonds matching this specification available across retailers.

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3.00 to 4.99ct G IF Lab Grown Heart

Quick answer

As of September 2026, there are 4 lab grown heart diamonds with G colour and IF clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run €3,055 EUR to €17,869 EUR, with a median of €9,638 EUR. At least 12 retailers stock this exact specification. Half of all listings fall between €943 EUR and €3,710 EUR per carat. The same specification in natural form lists at a median of about €18,013 EUR per carat.

Three of the best scored stones at this specification right now:

3.22ct Heart G IF, IGI, score 85 of 100, from €3,516 EUR

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

€2,858 EUR

Highest Price

€27,628 EUR

Average Price

€10,227 EUR

Market Intelligence

Retailers Selling

Price Spread

192.8%

Price Range

Price per carat distribution across retailers

$1,648/ct

10th Percentile

$913

Median

$1,648

90th Percentile

$5,656

Score Distribution

4 diamonds scored across 3 quality tiers

Excellent

2 (50.0%)

Good

1 (25.0%)

Average

1 (25.0%)

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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