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

As of October 2026, 1.00 to 1.49ct I IF natural princess diamonds typically cost $2,136 SGD to $6,658 SGD, with a median price of $3,542 SGD. There are currently 44 diamonds matching this specification available across retailers.

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

About 32% of these diamonds are available at multiple retailers, with an average price spread of 48%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct I IF Natural Princess

Quick answer

As of October 2026, there are 44 natural princess diamonds with I colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $2,136 SGD to $6,658 SGD, with a median of $3,542 SGD. At least 53 retailers stock this exact specification, and 32% of the stones appear at more than one of them, with an average price spread of 48%. Half of all listings fall between $2,978 SGD and $4,740 SGD per carat. Over the last 30 days the median price moved -2.0% and the number of listings moved +3.8%.

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 natural stones in the index: 2,158 USD per carat, +5.7% 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

$1,607 SGD

Highest Price

$14,176 SGD

Average Price

$4,238 SGD

Market Intelligence

Retailers Selling

Cross Retailer %

32.0%

Price Spread

47.7%

30-Day Price Trend

-2.0%

30-Day Supply Change

+3.8%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$2,882/ct

10th Percentile

$1,888

Median

$2,882

90th Percentile

$5,055

Score Distribution

99 diamonds scored across 5 quality tiers

Exceptional

1 (1.0%)

Excellent

32 (32.3%)

Very Good

15 (15.2%)

Good

20 (20.2%)

Average

31 (31.3%)

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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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I VVS1VVS1 inclusions are not visible without magnification

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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