How much does a 1.00 to 1.49ct F SI1 natural heart diamond cost?

As of November 2026, 1.00 to 1.49ct F SI1 natural heart diamonds typically cost €1,397 EUR to €4,983 EUR, with a median price of €1,999 EUR. There are currently 284 diamonds matching this specification available across retailers.

Where can I find the best price on a F SI1 heart diamond?

About 39% of these diamonds are available at multiple retailers, with an average price spread of 59%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct F SI1 Natural Heart

Quick answer

As of November 2026, there are 284 natural heart diamonds with F color and SI1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run €1,397 EUR to €4,983 EUR, with a median of €1,999 EUR. At least 65 retailers stock this exact specification, and 39% of the stones appear at more than one of them, with an average price spread of 59%. Half of all listings fall between €1,691 EUR and €2,929 EUR per carat. The same specification in lab grown form lists at a median of about €426 EUR per carat. Over the last 30 days the median price moved -2.5% and the number of listings moved +10.3%.

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

284

Lowest Price

€504 EUR

Highest Price

€10,741 EUR

Average Price

€2,680 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

38.6%

Price Spread

58.9%

30-Day Price Trend

-2.5%

30-Day Supply Change

+10.3%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$2,349/ct

10th Percentile

$1,636

Median

$2,349

90th Percentile

$4,409

Score Distribution

832 diamonds scored across 4 quality tiers

Excellent

151 (18.1%)

Very Good

162 (19.5%)

Good

180 (21.6%)

Average

339 (40.7%)

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Consider Instead

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

F SI2SI2 inclusions are not visible without magnification

Save 17%

Lab-Grown F SI1Same specifications, lab-grown origin

Save 80%

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