How much does a 1.00 to 1.49ct H I1 natural heart diamond cost?

As of November 2026, 1.00 to 1.49ct H I1 natural heart diamonds typically cost $2,849 NZD to $6,959 NZD, with a median price of $4,593 NZD. There are currently 22 diamonds matching this specification available across retailers.

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

About 9% of these diamonds are available at multiple retailers, with an average price spread of 35%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct H I1 Natural Heart

Quick answer

As of November 2026, there are 22 natural heart diamonds with H colour and I1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $2,849 NZD to $6,959 NZD, with a median of $4,593 NZD. At least 21 retailers stock this exact specification, and 9% of the stones appear at more than one of them, with an average price spread of 35%. Half of all listings fall between $2,813 NZD and $4,029 NZD per carat. The same specification in lab grown form lists at a median of about $1,265 NZD per carat. Over the last 30 days the median price moved -0.2% and the number of listings moved +7.4%.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, October 2026: natural diamonds at 2,202 USD per carat and lab-grown at 462 USD per carat, a natural to lab ratio of 4.8 to 1. Heart natural stones in the index: 2,289 USD per carat, -3.7% 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: November 2026

Available

Lowest Price

$1,242 NZD

Highest Price

$9,421 NZD

Average Price

$4,924 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

9.3%

Price Spread

35.3%

30-Day Price Trend

-0.2%

30-Day Supply Change

+7.4%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$1,937/ct

10th Percentile

$1,080

Median

$1,937

90th Percentile

$2,818

Score Distribution

167 diamonds scored across 4 quality tiers

Excellent

7 (4.2%)

Very Good

9 (5.4%)

Good

9 (5.4%)

Average

142 (85.0%)

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Consider Instead

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

Lab-Grown H I1Same specifications, lab-grown origin

Save 63%

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