How much does a 2.00 to 2.99ct J I1 natural heart diamond cost?

As of September 2026, 2.00 to 2.99ct J I1 natural heart diamonds typically cost $11,195 NZD to $32,774 NZD, with a median price of $18,584 NZD. There are currently 54 diamonds matching this specification available across retailers.

Where can I find the best price on a J I1 heart diamond?

About 11% of these diamonds are available at multiple retailers, with an average price spread of 25%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct J I1 Natural Heart

Quick answer

As of September 2026, there are 54 natural heart diamonds with J colour and I1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $11,195 NZD to $32,774 NZD, with a median of $18,584 NZD. At least 8 retailers stock this exact specification, and 11% of the stones appear at more than one of them, with an average price spread of 25%. Half of all listings fall between $4,555 NZD and $6,043 NZD per carat. The same specification in lab grown form lists at a median of about $7,684 NZD per carat. Over the last 30 days the median price moved -22.5% and the number of listings moved -92.5%.

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

Lowest Price

$4,188 NZD

Highest Price

$80,932 NZD

Average Price

$20,490 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

11.0%

Price Spread

25.1%

30-Day Price Trend

-22.5%

30-Day Supply Change

-92.5%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$3,392/ct

10th Percentile

$2,385

Median

$3,392

90th Percentile

$3,483

Score Distribution

54 diamonds scored across 4 quality tiers

Excellent

2 (3.7%)

Very Good

2 (3.7%)

Good

3 (5.6%)

Average

47 (87.0%)

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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