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

As of October 2026, 5.00ct+ E IF lab grown princess diamonds typically cost £16,722 GBP to £27,213 GBP, with a median price of £19,498 GBP. There are currently 4 diamonds matching this specification available across retailers.

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

About 41% of these diamonds are available at multiple retailers, with an average price spread of 57%. A comparison tool like Carat Hunter lets you see all the prices side by side.

5.00ct+ E IF Lab Grown Princess

Quick answer

As of October 2026, there are 4 lab grown princess diamonds with E colour and IF clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run £16,722 GBP to £27,213 GBP, with a median of £19,498 GBP. At least 28 retailers stock this exact specification, and 41% of the stones appear at more than one of them, with an average price spread of 57%. Half of all listings fall between £2,642 GBP and £4,841 GBP per carat. Over the last 30 days the median price moved -11.2% and the number of listings moved +18.4%.

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. Princess lab grown stones in the index: 461 USD per carat, -4.8% 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

£3,745 GBP

Highest Price

£38,430 GBP

Average Price

£19,618 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

40.9%

Price Spread

56.9%

30-Day Price Trend

-11.2%

30-Day Supply Change

+18.4%

Volatility (30d)

0.04

Price Range

Price per carat distribution across retailers

$5,145/ct

10th Percentile

$2,845

Median

$5,145

90th Percentile

$7,970

Score Distribution

11 diamonds scored across 4 quality tiers

Exceptional

1 (9.1%)

Excellent

3 (27.3%)

Very Good

3 (27.3%)

Good

4 (36.4%)

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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