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

As of September 2026, 1.00 to 1.49ct I FL natural princess diamonds typically cost $2,772 USD to $6,650 USD, with a median price of $4,160 USD. There are currently 9 diamonds matching this specification available across retailers.

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

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1.00 to 1.49ct I FL Natural Princess

Quick answer

As of September 2026, there are 9 natural princess diamonds with I color and FL clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $2,772 USD to $6,650 USD, with a median of $4,160 USD. At least 13 retailers stock this exact specification. Half of all listings fall between $3,168 USD and $3,992 USD 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

Lowest Price

$2,665 USD

Highest Price

$7,532 USD

Average Price

$4,500 USD

Market Intelligence

Retailers Selling

Price Spread

23.0%

Price Range

Price per carat distribution across retailers

$3,581/ct

10th Percentile

$2,725

Median

$3,581

90th Percentile

$4,324

Score Distribution

9 diamonds scored across 3 quality tiers

Excellent

3 (33.3%)

Very Good

1 (11.1%)

Good

5 (55.6%)

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Consider Instead

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

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

Save 33%

I IFIF inclusions are not visible without magnification

Save 24%

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