How much does a 3.00 to 4.99ct E FL lab grown princess diamond cost?

As of September 2026, 3.00 to 4.99ct E FL lab grown princess diamonds typically cost £2,672 GBP to £18,376 GBP, with a median price of £7,833 GBP. There are currently 48 diamonds matching this specification available across retailers.

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

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3.00 to 4.99ct E FL Lab Grown Princess

Quick answer

As of September 2026, there are 48 lab grown princess diamonds with E colour and FL clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run £2,672 GBP to £18,376 GBP, with a median of £7,833 GBP. At least 28 retailers stock this exact specification. Half of all listings fall between £1,317 GBP and £3,236 GBP per carat. The same specification in natural form lists at a median of about £21,514 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. Princess lab grown stones in the index: 481 USD per carat, -7.3% 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

£2,242 GBP

Highest Price

£32,995 GBP

Average Price

£9,040 GBP

Market Intelligence

Retailers Selling

Price Spread

76.2%

Price Range

Price per carat distribution across retailers

$3,402/ct

10th Percentile

$1,201

Median

$3,402

90th Percentile

$7,482

Score Distribution

48 diamonds scored across 4 quality tiers

Excellent

13 (27.1%)

Very Good

12 (25.0%)

Good

18 (37.5%)

Average

5 (10.4%)

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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 68%

E IFIF inclusions are not visible without magnification

Save 44%

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