How much does a 1.50 to 1.99ct H I1 natural princess diamond cost?

As of November 2026, 1.50 to 1.99ct H I1 natural princess diamonds typically cost €2,997 EUR to €7,544 EUR, with a median price of €4,982 EUR. There are currently 41 diamonds matching this specification available across retailers.

Where can I find the best price on a H I1 princess diamond?

About 12% of these diamonds are available at multiple retailers, with an average price spread of 44%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct H I1 Natural Princess

Quick answer

As of November 2026, there are 41 natural princess diamonds with H colour and I1 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run €2,997 EUR to €7,544 EUR, with a median of €4,982 EUR. At least 25 retailers stock this exact specification, and 12% of the stones appear at more than one of them, with an average price spread of 44%. Half of all listings fall between €2,110 EUR and €3,277 EUR per carat. The same specification in lab grown form lists at a median of about €2,529 EUR per carat. Over the last 30 days the median price moved -2.0% and the number of listings moved +2.2%.

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 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: November 2026

Available

Lowest Price

€1,340 EUR

Highest Price

€9,762 EUR

Average Price

€5,098 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

12.3%

Price Spread

43.9%

30-Day Price Trend

-2.0%

30-Day Supply Change

+2.2%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$2,973/ct

10th Percentile

$1,778

Median

$2,973

90th Percentile

$4,294

Score Distribution

166 diamonds scored across 4 quality tiers

Excellent

9 (5.4%)

Very Good

21 (12.7%)

Good

16 (9.6%)

Average

120 (72.3%)

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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