How much does a 3.00 to 4.99ct F SI1 natural round diamond cost?

As of September 2026, 3.00 to 4.99ct F SI1 natural round diamonds typically cost ₹26,63,505 INR to ₹86,99,503 INR, with a median price of ₹49,57,194 INR. There are currently 450 diamonds matching this specification available across retailers.

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

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3.00 to 4.99ct F SI1 Natural Round

Quick answer

As of September 2026, there are 450 natural round diamonds with F colour and SI1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run ₹26,63,505 INR to ₹86,99,503 INR, with a median of ₹49,57,194 INR. At least 55 retailers stock this exact specification. Half of all listings fall between ₹12,26,329 INR and ₹16,78,619 INR per carat. The same specification in lab grown form lists at a median of about ₹32,349 INR 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

450

Lowest Price

₹13,12,847 INR

Highest Price

₹2,05,39,131 INR

Average Price

₹54,51,087 INR

Market Intelligence

Retailers Selling

Price Spread

31.1%

Price Range

Price per carat distribution across retailers

$15,214/ct

10th Percentile

$10,068

Median

$15,214

90th Percentile

$19,637

Score Distribution

450 diamonds scored across 4 quality tiers

Excellent

71 (15.8%)

Very Good

126 (28.0%)

Good

126 (28.0%)

Average

127 (28.2%)

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Consider Instead

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F SI2SI2 inclusions are not visible without magnification

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Lab-Grown F SI1Same specifications, lab-grown origin

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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