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

As of September 2026, 1.00 to 1.49ct J FL natural heart diamonds typically cost €2,258 EUR to €2,875 EUR, with a median price of €2,397 EUR. There are currently 12 diamonds matching this specification available across retailers.

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1.00 to 1.49ct J FL Natural Heart

Quick answer

As of September 2026, there are 12 natural heart diamonds with J colour and FL clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run €2,258 EUR to €2,875 EUR, with a median of €2,397 EUR. At least 1 retailers stock this exact specification. Half of all listings fall between €2,202 EUR and €2,379 EUR per carat.

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

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Heart natural stones in the index: 2,261 USD per carat, +1.7% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

Lowest Price

€2,111 EUR

Highest Price

€3,432 EUR

Average Price

€2,545 EUR

Market Intelligence

Retailers Selling

Price Spread

7.6%

Price Range

Price per carat distribution across retailers

$2,677/ct

10th Percentile

$2,527

Median

$2,677

90th Percentile

$2,966

Score Distribution

12 diamonds scored across 2 quality tiers

Good

6 (50.0%)

Average

6 (50.0%)

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