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

As of October 2026, 5.00ct+ E IF lab grown round diamonds typically cost £3,193 GBP to £24,439 GBP, with a median price of £10,171 GBP. There are currently 95 diamonds matching this specification available across retailers.

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

About 33% of these diamonds are available at multiple retailers, with an average price spread of 20%. A comparison tool like Carat Hunter lets you see all the prices side by side.

5.00ct+ E IF Lab Grown Round

Quick answer

As of October 2026, there are 95 lab grown round diamonds with E colour and IF clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run £3,193 GBP to £24,439 GBP, with a median of £10,171 GBP. At least 12 retailers stock this exact specification, and 33% of the stones appear at more than one of them, with an average price spread of 20%. Half of all listings fall between £4,941 GBP and £6,022 GBP per carat. The same specification in natural form lists at a median of about £47,280 GBP per carat.

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: October 2026

Available

Lowest Price

£2,170 GBP

Highest Price

£74,888 GBP

Average Price

£12,647 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

33.3%

Price Spread

19.8%

Price Range

Price per carat distribution across retailers

$7,260/ct

10th Percentile

$6,210

Median

$7,260

90th Percentile

$9,482

Score Distribution

232 diamonds scored across 5 quality tiers

Exceptional

3 (1.3%)

Excellent

100 (43.1%)

Very Good

54 (23.3%)

Good

65 (28.0%)

Average

10 (4.3%)

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Consider Instead

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

F IFF 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