How much does a 1.00 to 1.49ct E FL lab grown princess diamond cost?

As of October 2026, 1.00 to 1.49ct E FL lab grown princess diamonds typically cost £268 GBP to £1,098 GBP, with a median price of £563 GBP. There are currently 11 diamonds matching this specification available across retailers.

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

About 36% of these diamonds are available at multiple retailers, with an average price spread of 111%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct E FL Lab Grown Princess

Quick answer

As of October 2026, there are 11 lab grown princess diamonds with E colour and FL clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run £268 GBP to £1,098 GBP, with a median of £563 GBP. At least 37 retailers stock this exact specification, and 36% of the stones appear at more than one of them, with an average price spread of 111%. Half of all listings fall between £405 GBP and £1,181 GBP per carat. The same specification in natural form lists at a median of about £5,823 GBP per carat. Over the last 30 days the median price moved +0.8% and the number of listings moved +15.2%.

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

£210 GBP

Highest Price

£4,108 GBP

Average Price

£660 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

35.5%

Price Spread

111.2%

30-Day Price Trend

+0.8%

30-Day Supply Change

+15.2%

Volatility (30d)

0.03

Price Range

Price per carat distribution across retailers

$928/ct

10th Percentile

$406

Median

$928

90th Percentile

$2,378

Score Distribution

24 diamonds scored across 4 quality tiers

Excellent

12 (50.0%)

Very Good

2 (8.3%)

Good

9 (37.5%)

Average

1 (4.2%)

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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 27%

E IFIF inclusions are not visible without magnification

Save 30%

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