How much does a 0.75 to 0.99ct F SI1 natural princess diamond cost?

As of November 2026, 0.75 to 0.99ct F SI1 natural princess diamonds typically cost €823 EUR to €2,555 EUR, with a median price of €1,215 EUR. There are currently 269 diamonds matching this specification available across retailers.

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

About 35% of these diamonds are available at multiple retailers, with an average price spread of 77%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct F SI1 Natural Princess

Quick answer

As of November 2026, there are 269 natural princess diamonds with F color and SI1 clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run €823 EUR to €2,555 EUR, with a median of €1,215 EUR. At least 63 retailers stock this exact specification, and 35% of the stones appear at more than one of them, with an average price spread of 77%. Half of all listings fall between €1,140 EUR and €2,303 EUR per carat. The same specification in lab grown form lists at a median of about €376 EUR per carat. Over the last 30 days the median price moved -6.5% and the number of listings moved +13.0%.

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. Princess natural stones in the index: 2,158 USD per carat, +5.7% 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

269

Lowest Price

€619 EUR

Highest Price

€4,817 EUR

Average Price

€1,468 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

34.9%

Price Spread

77.3%

30-Day Price Trend

-6.5%

30-Day Supply Change

+13.0%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$1,681/ct

10th Percentile

$1,130

Median

$1,681

90th Percentile

$3,654

Score Distribution

592 diamonds scored across 4 quality tiers

Excellent

139 (23.5%)

Very Good

60 (10.1%)

Good

197 (33.3%)

Average

196 (33.1%)

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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 16%

Lab-Grown F SI1Same specifications, lab-grown origin

Save 75%

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