How much does a 3.00 to 4.99ct E IF lab grown round diamond cost?

As of September 2026, 3.00 to 4.99ct E IF lab grown round diamonds typically cost £657 GBP to £12,039 GBP, with a median price of £2,377 GBP. There are currently 946 diamonds matching this specification available across retailers.

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

Compare prices across retailers on Carat Hunter to see all your options.

3.00 to 4.99ct E IF Lab Grown Round

Quick answer

As of September 2026, there are 946 lab grown round diamonds with E colour and IF clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run £657 GBP to £12,039 GBP, with a median of £2,377 GBP. At least 47 retailers stock this exact specification. Half of all listings fall between £408 GBP and £1,809 GBP per carat. The same specification in natural form lists at a median of about £35,651 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. Round lab grown stones in the index: 438 USD per carat, -14.1% 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

946

Lowest Price

£352 GBP

Highest Price

£70,648 GBP

Average Price

£4,963 GBP

Market Intelligence

Retailers Selling

Price Spread

212.9%

Price Range

Price per carat distribution across retailers

$889/ct

10th Percentile

$408

Median

$889

90th Percentile

$3,457

Score Distribution

946 diamonds scored across 5 quality tiers

Exceptional

1 (0.1%)

Excellent

373 (39.4%)

Very Good

198 (20.9%)

Good

117 (12.4%)

Average

257 (27.2%)

Find Your Diamond

Search 946 E IF round diamonds and compare prices.

Search Diamonds

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

Save 17%

E VVS1VVS1 inclusions are not visible without magnification

Save 9%

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