How much does a 1.00 to 1.49ct F I1 natural radiant diamond cost?

As of November 2026, 1.00 to 1.49ct F I1 natural radiant diamonds typically cost €1,631 EUR to €4,827 EUR, with a median price of €3,172 EUR. There are currently 25 diamonds matching this specification available across retailers.

Where can I find the best price on a F I1 radiant diamond?

About 14% of these diamonds are available at multiple retailers, with an average price spread of 52%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct F I1 Natural Radiant

Quick answer

As of November 2026, there are 25 natural radiant diamonds with F color and I1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run €1,631 EUR to €4,827 EUR, with a median of €3,172 EUR. At least 28 retailers stock this exact specification, and 14% of the stones appear at more than one of them, with an average price spread of 52%. Half of all listings fall between €1,471 EUR and €2,550 EUR per carat. Over the last 30 days the median price moved -1.1% and the number of listings moved +5.8%.

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

Caratlytics Diamond Price Index, October 2026: natural diamonds at 2,202 USD per carat and lab-grown at 462 USD per carat, a natural to lab ratio of 4.8 to 1. Radiant natural stones in the index: 3,108 USD per carat, +0.3% 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

Lowest Price

€781 EUR

Highest Price

€5,737 EUR

Average Price

€3,213 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

13.8%

Price Spread

51.9%

30-Day Price Trend

-1.1%

30-Day Supply Change

+5.8%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$2,332/ct

10th Percentile

$1,150

Median

$2,332

90th Percentile

$3,369

Score Distribution

178 diamonds scored across 4 quality tiers

Excellent

12 (6.7%)

Very Good

16 (9.0%)

Good

9 (5.1%)

Average

141 (79.2%)

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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