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

As of September 2026, 2.00 to 2.99ct D SI2 natural heart diamonds typically cost $11,689 NZD to $39,939 NZD, with a median price of $20,061 NZD. There are currently 135 diamonds matching this specification available across retailers.

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2.00 to 2.99ct D SI2 Natural Heart

Quick answer

As of September 2026, there are 135 natural heart diamonds with D colour and SI2 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $11,689 NZD to $39,939 NZD, with a median of $20,061 NZD. At least 40 retailers stock this exact specification. Half of all listings fall between $6,993 NZD and $10,873 NZD per carat. The same specification in lab grown form lists at a median of about $659 NZD 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

135

Lowest Price

$6,466 NZD

Highest Price

$151,018 NZD

Average Price

$24,123 NZD

Market Intelligence

Retailers Selling

Price Spread

44.8%

Price Range

Price per carat distribution across retailers

$4,991/ct

10th Percentile

$3,224

Median

$4,991

90th Percentile

$7,562

Score Distribution

135 diamonds scored across 4 quality tiers

Excellent

30 (22.2%)

Very Good

43 (31.9%)

Good

29 (21.5%)

Average

33 (24.4%)

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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