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

As of September 2026, 2.00 to 2.99ct G SI2 natural heart diamonds typically cost $6,355 AUD to $23,189 AUD, with a median price of $10,158 AUD. There are currently 448 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 Natural Heart

Quick answer

As of September 2026, there are 448 natural heart diamonds with G colour and SI2 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $6,355 AUD to $23,189 AUD, with a median of $10,158 AUD. At least 44 retailers stock this exact specification. Half of all listings fall between $4,477 AUD and $7,558 AUD per carat. The same specification in lab grown form lists at a median of about $1,164 AUD 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 natural stones in the index: 2,261 USD per carat, +1.7% 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

448

Lowest Price

$4,226 AUD

Highest Price

$83,516 AUD

Average Price

$13,071 AUD

Market Intelligence

Retailers Selling

Price Spread

53.8%

Price Range

Price per carat distribution across retailers

$4,084/ct

10th Percentile

$2,519

Median

$4,084

90th Percentile

$7,309

Score Distribution

448 diamonds scored across 4 quality tiers

Excellent

88 (19.6%)

Very Good

170 (37.9%)

Good

110 (24.6%)

Average

80 (17.9%)

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Consider Instead

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

G I1I1 inclusions are not visible without magnification

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Lab-Grown G SI2Same specifications, lab-grown origin

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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