How much does a 1.50 to 1.99ct D SI2 natural princess diamond cost?

As of November 2026, 1.50 to 1.99ct D SI2 natural princess diamonds typically cost €3,422 EUR to €14,189 EUR, with a median price of €5,713 EUR. There are currently 59 diamonds matching this specification available across retailers.

Where can I find the best price on a D SI2 princess diamond?

About 37% of these diamonds are available at multiple retailers, with an average price spread of 66%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct D SI2 Natural Princess

Quick answer

As of November 2026, there are 59 natural princess diamonds with D color and SI2 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run €3,422 EUR to €14,189 EUR, with a median of €5,713 EUR. At least 50 retailers stock this exact specification, and 37% of the stones appear at more than one of them, with an average price spread of 66%. Half of all listings fall between €2,345 EUR and €4,257 EUR per carat. The same specification in lab grown form lists at a median of about €464 EUR per carat. Over the last 30 days the median price moved -4.8% and the number of listings moved +6.8%.

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: November 2026

Available

Lowest Price

€2,334 EUR

Highest Price

€26,247 EUR

Average Price

€7,421 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

37.1%

Price Spread

66.2%

30-Day Price Trend

-4.8%

30-Day Supply Change

+6.8%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$3,227/ct

10th Percentile

$2,213

Median

$3,227

90th Percentile

$6,391

Score Distribution

157 diamonds scored across 4 quality tiers

Excellent

30 (19.1%)

Very Good

25 (15.9%)

Good

42 (26.8%)

Average

60 (38.2%)

Find Your Diamond

Search 59 D SI2 princess diamonds and compare prices.

Search Diamonds

Consider Instead

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

Lab-Grown D SI2Same specifications, lab-grown origin

Save 84%

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