How much does a 3.00 to 4.99ct F SI2 natural heart diamond cost?

As of October 2026, 3.00 to 4.99ct F SI2 natural heart diamonds typically cost $20,326 AUD to $116,143 AUD, with a median price of $40,137 AUD. There are currently 36 diamonds matching this specification available across retailers.

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

About 34% of these diamonds are available at multiple retailers, with an average price spread of 46%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct F SI2 Natural Heart

Quick answer

As of October 2026, there are 36 natural heart diamonds with F colour and SI2 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $20,326 AUD to $116,143 AUD, with a median of $40,137 AUD. At least 46 retailers stock this exact specification, and 34% of the stones appear at more than one of them, with an average price spread of 46%. Half of all listings fall between $8,099 AUD and $12,983 AUD per carat. The same specification in lab grown form lists at a median of about $388 AUD per carat. Over the last 30 days the median price moved -5.5% and the number of listings moved +14.6%.

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

Lowest Price

$16,994 AUD

Highest Price

$160,602 AUD

Average Price

$55,448 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

34.2%

Price Spread

45.9%

30-Day Price Trend

-5.5%

30-Day Supply Change

+14.6%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$7,483/ct

10th Percentile

$4,555

Median

$7,483

90th Percentile

$10,855

Score Distribution

83 diamonds scored across 4 quality tiers

Excellent

14 (16.9%)

Very Good

26 (31.3%)

Good

7 (8.4%)

Average

36 (43.4%)

Find Your Diamond

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Consider Instead

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

F I1I1 inclusions are not visible without magnification

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Lab-Grown F 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