How much does a 1.00 to 1.49ct F SI2 natural round diamond cost?

As of July 2026, 1.00 to 1.49ct F SI2 natural round diamonds typically cost £1,242 GBP to £3,595 GBP, with a median price of £2,010 GBP. There are currently 4,806 diamonds matching this specification available across retailers.

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

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1.00 to 1.49ct F SI2 Natural Round

Last updated: July 2026

Available

4,806

Lowest Price

£384 GBP

Highest Price

£17,648 GBP

Average Price

£2,254 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

N/A

Price Spread

41.1%

30-Day Price Trend

N/A

30-Day Supply Change

N/A

Volatility (30d)

N/A

Price Range

Price per carat distribution across retailers

$2,610/ct

10th Percentile

$1,723

Median

$2,610

90th Percentile

$4,078

Score Distribution

4.8K diamonds scored across 4 quality tiers

Excellent

1,600 (33.3%)

Very Good

1,546 (32.2%)

Good

1,147 (23.9%)

Average

513 (10.7%)

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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