How much does a 2.00 to 2.99ct F SI1 natural round diamond cost?

As of September 2026, 2.00 to 2.99ct F SI1 natural round diamonds typically cost €11,566 EUR to €28,680 EUR, with a median price of €16,983 EUR. There are currently 1,207 diamonds matching this specification available across retailers.

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

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2.00 to 2.99ct F SI1 Natural Round

Quick answer

As of September 2026, there are 1,207 natural round diamonds with F colour and SI1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run €11,566 EUR to €28,680 EUR, with a median of €16,983 EUR. At least 62 retailers stock this exact specification. Half of all listings fall between €6,900 EUR and €9,450 EUR per carat. The same specification in lab grown form lists at a median of about €300 EUR per carat.

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

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Round natural stones in the index: 2,094 USD per carat, -3.8% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

1,207

Lowest Price

€7,136 EUR

Highest Price

€68,967 EUR

Average Price

€18,845 EUR

Market Intelligence

Retailers Selling

Price Spread

31.5%

Price Range

Price per carat distribution across retailers

$9,358/ct

10th Percentile

$6,675

Median

$9,358

90th Percentile

$12,551

Score Distribution

1.2K diamonds scored across 4 quality tiers

Excellent

93 (7.7%)

Very Good

395 (32.7%)

Good

441 (36.5%)

Average

278 (23.0%)

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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 36%

Lab-Grown F SI1Same specifications, lab-grown origin

Save 96%

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