How much does a 2.00 to 2.99ct G SI2 lab grown heart diamond cost?

As of September 2026, 2.00 to 2.99ct G SI2 lab grown heart diamonds typically cost €559 EUR to €16,386 EUR, with a median price of €5,858 EUR. There are currently 14 diamonds matching this specification available across retailers.

Where can I find the best price on a G SI2 heart diamond?

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2.00 to 2.99ct G SI2 Lab Grown Heart

Quick answer

As of September 2026, there are 14 lab grown heart diamonds with G colour and SI2 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run €559 EUR to €16,386 EUR, with a median of €5,858 EUR. At least 10 retailers stock this exact specification. Half of all listings fall between €277 EUR and €1,769 EUR per carat. The same specification in natural form lists at a median of about €3,936 EUR 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

€228 EUR

Highest Price

€17,912 EUR

Average Price

€7,538 EUR

Market Intelligence

Retailers Selling

Price Spread

433.1%

Price Range

Price per carat distribution across retailers

$375/ct

10th Percentile

$262

Median

$375

90th Percentile

$5,855

Score Distribution

14 diamonds scored across 3 quality tiers

Excellent

3 (21.4%)

Good

3 (21.4%)

Average

8 (57.1%)

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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