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

As of September 2026, 2.00 to 2.99ct F SI2 natural radiant diamonds typically cost £6,348 GBP to £19,897 GBP, with a median price of £10,167 GBP. There are currently 196 diamonds matching this specification available across retailers.

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

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2.00 to 2.99ct F SI2 Natural Radiant

Quick answer

As of September 2026, there are 196 natural radiant diamonds with F colour and SI2 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run £6,348 GBP to £19,897 GBP, with a median of £10,167 GBP. At least 42 retailers stock this exact specification. Half of all listings fall between £3,783 GBP and £5,768 GBP per carat. The same specification in lab grown form lists at a median of about £540 GBP 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. Radiant natural stones in the index: 2,765 USD per carat, +6.0% 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

196

Lowest Price

£4,688 GBP

Highest Price

£36,304 GBP

Average Price

£11,496 GBP

Market Intelligence

Retailers Selling

Price Spread

42.2%

Price Range

Price per carat distribution across retailers

$6,349/ct

10th Percentile

$4,041

Median

$6,349

90th Percentile

$9,515

Score Distribution

196 diamonds scored across 4 quality tiers

Excellent

40 (20.4%)

Very Good

51 (26.0%)

Good

50 (25.5%)

Average

55 (28.1%)

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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