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

As of September 2026, 5.00ct+ E FL lab grown heart diamonds typically cost £6,219 GBP to £32,874 GBP, with a median price of £15,657 GBP. There are currently 5 diamonds matching this specification available across retailers.

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

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5.00ct+ E FL Lab Grown Heart

Quick answer

As of September 2026, there are 5 lab grown heart diamonds with E colour and FL clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run £6,219 GBP to £32,874 GBP, with a median of £15,657 GBP. At least 7 retailers stock this exact specification. Half of all listings fall between £9,922 GBP and £18,766 GBP per carat. The same specification in natural form lists at a median of about £53,293 GBP per carat.

Three of the best scored stones at this specification right now:

5.10ct Heart E FL, IGI, score 87 of 100, from £5,882 GBP

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. Heart lab grown stones in the index: 440 USD per carat, -9.4% 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

£5,882 GBP

Highest Price

£126,574 GBP

Average Price

£18,507 GBP

Market Intelligence

Retailers Selling

Price Spread

65.4%

Price Range

Price per carat distribution across retailers

$18,263/ct

10th Percentile

$13,255

Median

$18,263

90th Percentile

$33,117

Score Distribution

5 diamonds scored across 3 quality tiers

Excellent

1 (20.0%)

Very Good

3 (60.0%)

Average

1 (20.0%)

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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

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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