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

As of September 2026, 2.00 to 2.99ct J SI1 natural heart diamonds typically cost $9,587 NZD to $35,067 NZD, with a median price of $15,636 NZD. There are currently 185 diamonds matching this specification available across retailers.

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

Compare prices across retailers on Carat Hunter to see all your options.

2.00 to 2.99ct J SI1 Natural Heart

Quick answer

As of September 2026, there are 185 natural heart diamonds with J colour and SI1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $9,587 NZD to $35,067 NZD, with a median of $15,636 NZD. At least 41 retailers stock this exact specification. Half of all listings fall between $5,125 NZD and $7,903 NZD per carat. The same specification in lab grown form lists at a median of about $3,084 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

185

Lowest Price

$6,670 NZD

Highest Price

$82,124 NZD

Average Price

$19,420 NZD

Market Intelligence

Retailers Selling

Price Spread

42.8%

Price Range

Price per carat distribution across retailers

$3,731/ct

10th Percentile

$2,368

Median

$3,731

90th Percentile

$5,379

Score Distribution

185 diamonds scored across 4 quality tiers

Excellent

14 (7.6%)

Very Good

45 (24.3%)

Good

45 (24.3%)

Average

81 (43.8%)

Find Your Diamond

Search 185 J SI1 heart diamonds and compare prices.

Search Diamonds

Consider Instead

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

J SI2SI2 inclusions are not visible without magnification

Save 21%

Lab-Grown J SI1Same specifications, lab-grown origin

Save 56%

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