How much does a 1.50 to 1.99ct F SI2 natural heart diamond cost?

As of November 2026, 1.50 to 1.99ct F SI2 natural heart diamonds typically cost €2,921 EUR to €9,121 EUR, with a median price of €5,605 EUR. There are currently 145 diamonds matching this specification available across retailers.

Where can I find the best price on a F SI2 heart diamond?

About 42% of these diamonds are available at multiple retailers, with an average price spread of 57%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct F SI2 Natural Heart

Quick answer

As of November 2026, there are 145 natural heart diamonds with F color and SI2 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run €2,921 EUR to €9,121 EUR, with a median of €5,605 EUR. At least 54 retailers stock this exact specification, and 42% of the stones appear at more than one of them, with an average price spread of 57%. Half of all listings fall between €2,249 EUR and €3,882 EUR per carat. Over the last 30 days the median price moved -1.8% and the number of listings moved +11.7%.

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

145

Lowest Price

€1,634 EUR

Highest Price

€15,970 EUR

Average Price

€5,972 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

42.1%

Price Spread

56.5%

30-Day Price Trend

-1.8%

30-Day Supply Change

+11.7%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$3,228/ct

10th Percentile

$2,062

Median

$3,228

90th Percentile

$5,490

Score Distribution

408 diamonds scored across 4 quality tiers

Excellent

90 (22.1%)

Very Good

79 (19.4%)

Good

49 (12.0%)

Average

190 (46.6%)

Find Your Diamond

Search 145 F SI2 heart diamonds and compare prices.

Search Diamonds

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