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

As of November 2026, 5.00ct+ I VS1 natural radiant diamonds typically cost €53,805 EUR to €118,744 EUR, with a median price of €75,952 EUR. There are currently 22 diamonds matching this specification available across retailers.

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

About 41% of these diamonds are available at multiple retailers, with an average price spread of 40%. A comparison tool like Carat Hunter lets you see all the prices side by side.

5.00ct+ I VS1 Natural Radiant

Quick answer

As of November 2026, there are 22 natural radiant diamonds with I color and VS1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run €53,805 EUR to €118,744 EUR, with a median of €75,952 EUR. At least 36 retailers stock this exact specification, and 41% of the stones appear at more than one of them, with an average price spread of 40%. Half of all listings fall between €15,050 EUR and €22,375 EUR per carat. The same specification in lab grown form lists at a median of about €422 EUR per carat. Over the last 30 days the median price moved -1.2% and the number of listings moved +21.4%.

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. Radiant natural stones in the index: 3,091 USD per carat, +13.2% 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

€37,849 EUR

Highest Price

€298,133 EUR

Average Price

€84,775 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

41.2%

Price Spread

39.6%

30-Day Price Trend

-1.2%

30-Day Supply Change

+21.4%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$20,683/ct

10th Percentile

$13,591

Median

$20,683

90th Percentile

$26,998

Score Distribution

47 diamonds scored across 4 quality tiers

Excellent

14 (29.8%)

Very Good

10 (21.3%)

Good

8 (17.0%)

Average

15 (31.9%)

Find Your Diamond

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Consider Instead

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

I VS2VS2 inclusions are not visible without magnification

Save 24%

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