How much does a 0.75 to 0.99ct I IF natural heart diamond cost?

As of November 2026, 0.75 to 0.99ct I IF natural heart diamonds typically cost $1,754 NZD to $5,093 NZD, with a median price of $2,618 NZD. There are currently 45 diamonds matching this specification available across retailers.

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

About 37% of these diamonds are available at multiple retailers, with an average price spread of 53%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct I IF Natural Heart

Quick answer

As of November 2026, there are 45 natural heart diamonds with I colour and IF clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run $1,754 NZD to $5,093 NZD, with a median of $2,618 NZD. At least 52 retailers stock this exact specification, and 37% of the stones appear at more than one of them, with an average price spread of 53%. Half of all listings fall between $2,901 NZD and $4,807 NZD per carat. Over the last 30 days the median price moved -3.2% and the number of listings moved -2.1%.

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: November 2026

Available

Lowest Price

$1,189 NZD

Highest Price

$8,573 NZD

Average Price

$3,109 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

37.1%

Price Spread

52.6%

30-Day Price Trend

-3.2%

30-Day Supply Change

-2.1%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$2,041/ct

10th Percentile

$1,388

Median

$2,041

90th Percentile

$3,790

Score Distribution

137 diamonds scored across 5 quality tiers

Exceptional

1 (0.7%)

Excellent

37 (27.0%)

Very Good

27 (19.7%)

Good

38 (27.7%)

Average

34 (24.8%)

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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