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

As of November 2026, 5.00ct+ E FL lab grown round diamonds typically cost £4,221 GBP to £44,530 GBP, with a median price of £16,897 GBP. There are currently 16 diamonds matching this specification available across retailers.

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

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5.00ct+ E FL Lab Grown Round

Quick answer

As of November 2026, there are 16 lab grown round diamonds with E colour and FL clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run £4,221 GBP to £44,530 GBP, with a median of £16,897 GBP.

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. Round lab grown stones in the index: 414 USD per carat, -5.0% 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: November 2026

Available

Lowest Price

£3,207 GBP

Highest Price

£68,123 GBP

Average Price

£19,389 GBP

Score Distribution

40 diamonds scored across 4 quality tiers

Excellent

15 (37.5%)

Very Good

7 (17.5%)

Good

14 (35.0%)

Average

4 (10.0%)

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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