How much does a 1.00 to 1.49ct I IF natural heart diamond cost?

As of November 2026, 1.00 to 1.49ct I IF natural heart diamonds typically cost $3,170 NZD to $5,835 NZD, with a median price of $4,087 NZD. There are currently 62 diamonds matching this specification available across retailers.

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

About 44% of these diamonds are available at multiple retailers, with an average price spread of 46%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct I IF Natural Heart

Quick answer

As of November 2026, there are 62 natural heart diamonds with I colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $3,170 NZD to $5,835 NZD, with a median of $4,087 NZD. At least 50 retailers stock this exact specification, and 44% of the stones appear at more than one of them, with an average price spread of 46%. Half of all listings fall between $4,002 NZD and $6,265 NZD per carat. Over the last 30 days the median price moved -5.4% and the number of listings moved +13.7%.

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

$2,338 NZD

Highest Price

$15,329 NZD

Average Price

$4,430 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

44.4%

Price Spread

45.8%

30-Day Price Trend

-5.4%

30-Day Supply Change

+13.7%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$2,778/ct

10th Percentile

$1,944

Median

$2,778

90th Percentile

$4,830

Score Distribution

149 diamonds scored across 4 quality tiers

Excellent

64 (43.0%)

Very Good

26 (17.4%)

Good

44 (29.5%)

Average

15 (10.1%)

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Consider Instead

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

J IFJ colour is visually identical to I to the naked eye

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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