How much does a 5.00ct+ E FL lab grown radiant diamond cost?

As of September 2026, 5.00ct+ E FL lab grown radiant diamonds typically cost £13,195 GBP to £47,732 GBP, with a median price of £23,921 GBP. There are currently 73 diamonds matching this specification available across retailers.

Where can I find the best price on a E FL radiant diamond?

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5.00ct+ E FL Lab Grown Radiant

Quick answer

As of September 2026, there are 73 lab grown radiant diamonds with E colour and FL clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run £13,195 GBP to £47,732 GBP, with a median of £23,921 GBP. At least 23 retailers stock this exact specification. Half of all listings fall between £2,098 GBP and £5,780 GBP per carat. The same specification in natural form lists at a median of about £43,091 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

£5,290 GBP

Highest Price

£144,449 GBP

Average Price

£29,017 GBP

Market Intelligence

Retailers Selling

Price Spread

109.3%

Price Range

Price per carat distribution across retailers

$4,278/ct

10th Percentile

$2,202

Median

$4,278

90th Percentile

$9,056

Score Distribution

73 diamonds scored across 4 quality tiers

Excellent

10 (13.7%)

Very Good

28 (38.4%)

Good

34 (46.6%)

Average

1 (1.4%)

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Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

F FLF colour is visually identical to E to the naked eye

Save 29%

E IFIF inclusions are not visible without magnification

Save 26%

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