How much does a 2.00 to 2.99ct F SI2 natural round diamond cost?

As of October 2026, 2.00 to 2.99ct F SI2 natural round diamonds typically cost $7,952 USD to $29,780 USD, with a median price of $15,394 USD. There are currently 654 diamonds matching this specification available across retailers.

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

About 39% of these diamonds are available at multiple retailers, with an average price spread of 49%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct F SI2 Natural Round

Quick answer

As of October 2026, there are 654 natural round diamonds with F color and SI2 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $7,952 USD to $29,780 USD, with a median of $15,394 USD. At least 57 retailers stock this exact specification, and 39% of the stones appear at more than one of them, with an average price spread of 49%. Half of all listings fall between $4,815 USD and $7,973 USD per carat. The same specification in lab grown form lists at a median of about $368 USD per carat. Over the last 30 days the median price moved -1.6% and the number of listings moved +10.0%.

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. Round natural stones in the index: 2,248 USD per carat, +7.6% 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: October 2026

Available

654

Lowest Price

$4,434 USD

Highest Price

$54,437 USD

Average Price

$17,412 USD

Market Intelligence

Retailers Selling

Cross Retailer %

38.8%

Price Spread

49.0%

30-Day Price Trend

-1.6%

30-Day Supply Change

+10.0%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$6,450/ct

10th Percentile

$3,874

Median

$6,450

90th Percentile

$9,648

Score Distribution

1.6K diamonds scored across 4 quality tiers

Excellent

398 (24.8%)

Very Good

344 (21.4%)

Good

345 (21.5%)

Average

520 (32.4%)

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Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

F I1I1 inclusions are not visible without magnification

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Lab-Grown F SI2Same specifications, lab-grown origin

Save 94%

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