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

As of October 2026, 1.00 to 1.49ct J IF natural heart diamonds typically cost $2,357 AUD to $6,912 AUD, with a median price of $3,683 AUD. There are currently 26 diamonds matching this specification available across retailers.

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

About 47% 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 J IF Natural Heart

Quick answer

As of October 2026, there are 26 natural heart diamonds with J colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $2,357 AUD to $6,912 AUD, with a median of $3,683 AUD. At least 33 retailers stock this exact specification, and 47% of the stones appear at more than one of them, with an average price spread of 35%. Half of all listings fall between $2,582 AUD and $3,648 AUD per carat. Over the last 30 days the median price moved -1.4% and the number of listings moved +2.0%.

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

$1,769 AUD

Highest Price

$12,965 AUD

Average Price

$4,077 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

46.7%

Price Spread

35.0%

30-Day Price Trend

-1.4%

30-Day Supply Change

+2.0%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$2,141/ct

10th Percentile

$1,642

Median

$2,141

90th Percentile

$3,270

Score Distribution

68 diamonds scored across 4 quality tiers

Excellent

15 (22.1%)

Very Good

14 (20.6%)

Good

12 (17.6%)

Average

27 (39.7%)

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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