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

As of October 2026, 2.00 to 2.99ct J SI2 natural heart diamonds typically cost $6,799 AUD to $26,026 AUD, with a median price of $11,634 AUD. There are currently 166 diamonds matching this specification available across retailers.

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

About 42% of these diamonds are available at multiple retailers, with an average price spread of 47%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct J SI2 Natural Heart

Quick answer

As of October 2026, there are 166 natural heart diamonds with J colour and SI2 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $6,799 AUD to $26,026 AUD, with a median of $11,634 AUD. At least 46 retailers stock this exact specification, and 42% of the stones appear at more than one of them, with an average price spread of 47%. Half of all listings fall between $4,030 AUD and $6,354 AUD per carat. Over the last 30 days the median price moved -1.1% and the number of listings moved +13.3%.

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

Caratlytics Diamond Price Index, September 2026: natural diamonds at 2,335 USD per carat and lab-grown at 443 USD per carat, a natural to lab ratio of 5.3 to 1. Heart natural stones in the index: 2,374 USD per carat, +9.8% month on month. See the full index release

Figures come from current listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: October 2026

Available

166

Lowest Price

$3,327 AUD

Highest Price

$69,258 AUD

Average Price

$14,472 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

42.4%

Price Spread

47.4%

30-Day Price Trend

-1.1%

30-Day Supply Change

+13.3%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$3,446/ct

10th Percentile

$2,328

Median

$3,446

90th Percentile

$5,408

Score Distribution

455 diamonds scored across 4 quality tiers

Excellent

76 (16.7%)

Very Good

77 (16.9%)

Good

63 (13.8%)

Average

239 (52.5%)

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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