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

As of October 2026, 2.00 to 2.99ct D SI2 natural heart diamonds typically cost $13,336 NZD to $56,829 NZD, with a median price of $26,709 NZD. There are currently 54 diamonds matching this specification available across retailers.

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

About 39% 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 D SI2 Natural Heart

Quick answer

As of October 2026, there are 54 natural heart diamonds with D colour and SI2 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $13,336 NZD to $56,829 NZD, with a median of $26,709 NZD. At least 47 retailers stock this exact specification, and 39% of the stones appear at more than one of them, with an average price spread of 47%. Half of all listings fall between $7,830 NZD and $12,508 NZD per carat. The same specification in lab grown form lists at a median of about $539 NZD per carat. Over the last 30 days the median price moved +0.4% and the number of listings moved +12.4%.

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

$9,941 NZD

Highest Price

$154,270 NZD

Average Price

$35,020 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

39.2%

Price Spread

47.4%

30-Day Price Trend

+0.4%

30-Day Supply Change

+12.4%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$5,567/ct

10th Percentile

$3,493

Median

$5,567

90th Percentile

$8,354

Score Distribution

147 diamonds scored across 4 quality tiers

Excellent

34 (23.1%)

Very Good

24 (16.3%)

Good

17 (11.6%)

Average

72 (49.0%)

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Consider Instead

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

Lab-Grown D 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