How much does a 0.50 to 0.74ct I IF natural heart diamond cost?

As of October 2026, 0.50 to 0.74ct I IF natural heart diamonds typically cost $576 USD to $1,315 USD, with a median price of $914 USD. There are currently 95 diamonds matching this specification available across retailers.

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

About 34% of these diamonds are available at multiple retailers, with an average price spread of 45%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct I IF Natural Heart

Quick answer

As of October 2026, there are 95 natural heart diamonds with I color and IF clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run $576 USD to $1,315 USD, with a median of $914 USD. At least 49 retailers stock this exact specification, and 34% of the stones appear at more than one of them, with an average price spread of 45%. Half of all listings fall between $1,306 USD and $2,005 USD per carat. Over the last 30 days the median price moved -4.9% and the number of listings moved +0.9%.

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: October 2026

Available

Lowest Price

$448 USD

Highest Price

$3,158 USD

Average Price

$983 USD

Market Intelligence

Retailers Selling

Cross Retailer %

34.1%

Price Spread

45.3%

30-Day Price Trend

-4.9%

30-Day Supply Change

+0.9%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$1,542/ct

10th Percentile

$1,154

Median

$1,542

90th Percentile

$2,886

Score Distribution

322 diamonds scored across 5 quality tiers

Exceptional

2 (0.6%)

Excellent

91 (28.3%)

Very Good

60 (18.6%)

Good

87 (27.0%)

Average

82 (25.5%)

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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