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

As of October 2026, 5.00ct+ I VS1 natural oval diamonds typically cost €69,454 EUR to €208,513 EUR, with a median price of €120,292 EUR. There are currently 25 diamonds matching this specification available across retailers.

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

About 50% of these diamonds are available at multiple retailers, with an average price spread of 17%. A comparison tool like Carat Hunter lets you see all the prices side by side.

5.00ct+ I VS1 Natural Oval

Quick answer

As of October 2026, there are 25 natural oval diamonds with I colour and VS1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run €69,454 EUR to €208,513 EUR, with a median of €120,292 EUR. At least 18 retailers stock this exact specification, and 50% of the stones appear at more than one of them, with an average price spread of 17%. Half of all listings fall between €25,055 EUR and €29,728 EUR per carat. The same specification in lab grown form lists at a median of about €310 EUR per carat. Over the last 30 days the median price moved -1.2% and the number of listings moved +15.2%.

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. Oval natural stones in the index: 2,655 USD per carat, +10.2% 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: October 2026

Available

Lowest Price

€47,852 EUR

Highest Price

€387,826 EUR

Average Price

€137,414 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

50.0%

Price Spread

17.0%

30-Day Price Trend

-1.2%

30-Day Supply Change

+15.2%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$30,764/ct

10th Percentile

$23,144

Median

$30,764

90th Percentile

$33,369

Score Distribution

87 diamonds scored across 4 quality tiers

Excellent

17 (19.5%)

Very Good

11 (12.6%)

Good

18 (20.7%)

Average

41 (47.1%)

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Consider Instead

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

Lab-Grown I VS1Same specifications, lab-grown origin

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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