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

As of October 2026, 5.00ct+ I VS1 natural princess diamonds typically cost $82,487 AUD to $195,704 AUD, with a median price of $115,950 AUD. There are currently 3 diamonds matching this specification available across retailers.

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

About 38% 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.

5.00ct+ I VS1 Natural Princess

Quick answer

As of October 2026, there are 3 natural princess diamonds with I colour and VS1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $82,487 AUD to $195,704 AUD, with a median of $115,950 AUD. At least 28 retailers stock this exact specification, and 38% of the stones appear at more than one of them, with an average price spread of 48%. Half of all listings fall between $17,740 AUD and $28,132 AUD per carat. The same specification in lab grown form lists at a median of about $587 AUD per carat. Over the last 30 days the median price moved +3.6% and the number of listings moved -5.3%.

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

$79,357 AUD

Highest Price

$233,186 AUD

Average Price

$131,032 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

38.1%

Price Spread

48.1%

30-Day Price Trend

+3.6%

30-Day Supply Change

-5.3%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$15,202/ct

10th Percentile

$11,678

Median

$15,202

90th Percentile

$23,266

Score Distribution

8 diamonds scored across 4 quality tiers

Excellent

2 (25.0%)

Very Good

3 (37.5%)

Good

1 (12.5%)

Average

2 (25.0%)

Find Your Diamond

Search 3 I VS1 princess diamonds and compare prices.

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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 44%

Lab-Grown I VS1Same specifications, lab-grown origin

Save 97%

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