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

As of November 2026, 1.00 to 1.49ct F SI1 natural oval diamonds typically cost €2,021 EUR to €5,425 EUR, with a median price of €3,150 EUR. There are currently 714 diamonds matching this specification available across retailers.

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

About 34% of these diamonds are available at multiple retailers, with an average price spread of 47%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct F SI1 Natural Oval

Quick answer

As of November 2026, there are 714 natural oval diamonds with F color and SI1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run €2,021 EUR to €5,425 EUR, with a median of €3,150 EUR. At least 63 retailers stock this exact specification, and 34% of the stones appear at more than one of them, with an average price spread of 47%. Half of all listings fall between €2,355 EUR and €3,691 EUR per carat. The same specification in lab grown form lists at a median of about €427 EUR per carat. Over the last 30 days the median price moved -0.2% and the number of listings moved -2.4%.

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. Oval natural stones in the index: 2,655 USD per carat, +10.2% 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

714

Lowest Price

€1,203 EUR

Highest Price

€10,743 EUR

Average Price

€3,511 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

34.5%

Price Spread

47.2%

30-Day Price Trend

-0.2%

30-Day Supply Change

-2.4%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$3,160/ct

10th Percentile

$2,292

Median

$3,160

90th Percentile

$5,330

Score Distribution

1.8K diamonds scored across 4 quality tiers

Excellent

211 (11.7%)

Very Good

446 (24.7%)

Good

364 (20.2%)

Average

785 (43.5%)

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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 19%

Lab-Grown F SI1Same specifications, lab-grown origin

Save 83%

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