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

As of October 2026, 2.00 to 2.99ct F SI1 natural radiant diamonds typically cost £10,809 GBP to £32,232 GBP, with a median price of £16,980 GBP. There are currently 109 diamonds matching this specification available across retailers.

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

About 36% of these diamonds are available at multiple retailers, with an average price spread of 30%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct F SI1 Natural Radiant

Quick answer

As of October 2026, there are 109 natural radiant diamonds with F colour and SI1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run £10,809 GBP to £32,232 GBP, with a median of £16,980 GBP. At least 61 retailers stock this exact specification, and 36% of the stones appear at more than one of them, with an average price spread of 30%. Half of all listings fall between £5,551 GBP and £7,465 GBP per carat. The same specification in lab grown form lists at a median of about £428 GBP per carat. Over the last 30 days the median price moved -0.3% and the number of listings moved +23.8%.

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. Radiant natural stones in the index: 3,091 USD per carat, +13.2% 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

109

Lowest Price

£5,886 GBP

Highest Price

£42,917 GBP

Average Price

£19,179 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

36.5%

Price Spread

29.7%

30-Day Price Trend

-0.3%

30-Day Supply Change

+23.8%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$8,574/ct

10th Percentile

$6,276

Median

$8,574

90th Percentile

$11,536

Score Distribution

366 diamonds scored across 4 quality tiers

Excellent

41 (11.2%)

Very Good

82 (22.4%)

Good

67 (18.3%)

Average

176 (48.1%)

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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 28%

Lab-Grown F SI1Same specifications, lab-grown origin

Save 92%

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