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

As of September 2026, 2.00 to 2.99ct J SI2 natural heart diamonds typically cost $6,257 AUD to $18,072 AUD, with a median price of $9,545 AUD. There are currently 333 diamonds matching this specification available across retailers.

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2.00 to 2.99ct J SI2 Natural Heart

Quick answer

As of September 2026, there are 333 natural heart diamonds with J colour and SI2 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $6,257 AUD to $18,072 AUD, with a median of $9,545 AUD. At least 39 retailers stock this exact specification. Half of all listings fall between $3,726 AUD and $5,230 AUD per carat. The same specification in lab grown form lists at a median of about $2,769 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

333

Lowest Price

$3,768 AUD

Highest Price

$67,828 AUD

Average Price

$11,130 AUD

Market Intelligence

Retailers Selling

Price Spread

34.2%

Price Range

Price per carat distribution across retailers

$3,154/ct

10th Percentile

$2,267

Median

$3,154

90th Percentile

$4,513

Score Distribution

333 diamonds scored across 4 quality tiers

Excellent

40 (12.0%)

Very Good

101 (30.3%)

Good

96 (28.8%)

Average

96 (28.8%)

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Consider Instead

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

Lab-Grown J SI2Same specifications, lab-grown origin

Save 37%

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