How much does a 5.00ct+ I VS1 natural princess diamond cost?

As of September 2026, 5.00ct+ I VS1 natural princess diamonds typically cost €34,458 EUR to €119,968 EUR, with a median price of €62,132 EUR. There are currently 10 diamonds matching this specification available across retailers.

Where can I find the best price on a I VS1 princess diamond?

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5.00ct+ I VS1 Natural Princess

Quick answer

As of September 2026, there are 10 natural princess diamonds with I colour and VS1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run €34,458 EUR to €119,968 EUR, with a median of €62,132 EUR. At least 21 retailers stock this exact specification. Half of all listings fall between €9,773 EUR and €18,794 EUR per carat. The same specification in lab grown form lists at a median of about €408 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

Lowest Price

€25,821 EUR

Highest Price

€142,124 EUR

Average Price

€70,330 EUR

Market Intelligence

Retailers Selling

Price Spread

78.5%

Price Range

Price per carat distribution across retailers

$13,258/ct

10th Percentile

$9,706

Median

$13,258

90th Percentile

$24,092

Score Distribution

10 diamonds scored across 4 quality tiers

Excellent

4 (40.0%)

Very Good

2 (20.0%)

Good

1 (10.0%)

Average

3 (30.0%)

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Consider Instead

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

J VS1J colour is visually identical to I to the naked eye

Save 19%

Lab-Grown I VS1Same specifications, lab-grown origin

Save 96%

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