How much does a 5.00ct+ F IF lab grown radiant diamond cost?

As of September 2026, 5.00ct+ F IF lab grown radiant diamonds typically cost £4,983 GBP to £69,164 GBP, with a median price of £11,275 GBP. There are currently 32 diamonds matching this specification available across retailers.

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

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5.00ct+ F IF Lab Grown Radiant

Quick answer

As of September 2026, there are 32 lab grown radiant diamonds with F colour and IF clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run £4,983 GBP to £69,164 GBP, with a median of £11,275 GBP. At least 26 retailers stock this exact specification. Half of all listings fall between £1,172 GBP and £2,666 GBP per carat. The same specification in natural form lists at a median of about £21,485 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 lab grown stones in the index: 473 USD per carat, -12.5% 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

Lowest Price

£3,542 GBP

Highest Price

£252,289 GBP

Average Price

£26,851 GBP

Market Intelligence

Retailers Selling

Price Spread

94.2%

Price Range

Price per carat distribution across retailers

$2,015/ct

10th Percentile

$1,021

Median

$2,015

90th Percentile

$5,327

Score Distribution

32 diamonds scored across 4 quality tiers

Excellent

10 (31.3%)

Very Good

8 (25.0%)

Good

11 (34.4%)

Average

3 (9.4%)

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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