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

As of September 2026, 1.00 to 1.49ct E IF lab grown princess diamonds typically cost €171 EUR to €1,498 EUR, with a median price of €372 EUR. There are currently 666 diamonds matching this specification available across retailers.

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1.00 to 1.49ct E IF Lab Grown Princess

Quick answer

As of September 2026, there are 666 lab grown princess diamonds with E colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run €171 EUR to €1,498 EUR, with a median of €372 EUR. At least 42 retailers stock this exact specification. Half of all listings fall between €414 EUR and €1,042 EUR per carat. The same specification in natural form lists at a median of about €6,833 EUR 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

666

Lowest Price

€113 EUR

Highest Price

€9,136 EUR

Average Price

€632 EUR

Market Intelligence

Retailers Selling

Price Spread

113.3%

Price Range

Price per carat distribution across retailers

$643/ct

10th Percentile

$340

Median

$643

90th Percentile

$1,818

Score Distribution

666 diamonds scored across 5 quality tiers

Exceptional

1 (0.2%)

Excellent

240 (36.0%)

Very Good

195 (29.3%)

Good

61 (9.2%)

Average

169 (25.4%)

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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