How much does a 1.00 to 1.49ct I IF natural princess diamond cost?

As of September 2026, 1.00 to 1.49ct I IF natural princess diamonds typically cost €1,328 EUR to €4,708 EUR, with a median price of €2,272 EUR. There are currently 143 diamonds matching this specification available across retailers.

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1.00 to 1.49ct I IF Natural Princess

Quick answer

As of September 2026, there are 143 natural princess diamonds with I colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run €1,328 EUR to €4,708 EUR, with a median of €2,272 EUR. At least 49 retailers stock this exact specification. Half of all listings fall between €2,058 EUR and €3,141 EUR per carat. The same specification in lab grown form lists at a median of about €2,030 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 natural stones in the index: 2,073 USD per carat, -3.2% 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

143

Lowest Price

€977 EUR

Highest Price

€7,744 EUR

Average Price

€2,721 EUR

Market Intelligence

Retailers Selling

Price Spread

43.1%

Price Range

Price per carat distribution across retailers

$2,740/ct

10th Percentile

$1,812

Median

$2,740

90th Percentile

$4,407

Score Distribution

143 diamonds scored across 4 quality tiers

Excellent

53 (37.1%)

Very Good

31 (21.7%)

Good

30 (21.0%)

Average

29 (20.3%)

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Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

J IFJ colour is visually identical to I to the naked eye

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Lab-Grown I IFSame specifications, lab-grown origin

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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