How much does a 2.00 to 2.99ct D SI1 natural heart diamond cost?

As of October 2026, 2.00 to 2.99ct D SI1 natural heart diamonds typically cost $16,272 AUD to $75,641 AUD, with a median price of $25,736 AUD. There are currently 54 diamonds matching this specification available across retailers.

Where can I find the best price on a D SI1 heart diamond?

About 36% of these diamonds are available at multiple retailers, with an average price spread of 42%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct D SI1 Natural Heart

Quick answer

As of October 2026, there are 54 natural heart diamonds with D colour and SI1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $16,272 AUD to $75,641 AUD, with a median of $25,736 AUD. At least 57 retailers stock this exact specification, and 36% of the stones appear at more than one of them, with an average price spread of 42%. Half of all listings fall between $8,889 AUD and $13,242 AUD per carat. The same specification in lab grown form lists at a median of about $480 AUD per carat. Over the last 30 days the median price moved -0.6% and the number of listings moved +16.2%.

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

$12,176 AUD

Highest Price

$130,292 AUD

Average Price

$32,731 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

35.6%

Price Spread

42.0%

30-Day Price Trend

-0.6%

30-Day Supply Change

+16.2%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$7,275/ct

10th Percentile

$5,442

Median

$7,275

90th Percentile

$10,985

Score Distribution

185 diamonds scored across 4 quality tiers

Excellent

26 (14.1%)

Very Good

26 (14.1%)

Good

38 (20.5%)

Average

95 (51.4%)

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Consider Instead

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

D SI2SI2 inclusions are not visible without magnification

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Lab-Grown D SI1Same 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