How much does a 3.00 to 4.99ct I VS1 lab grown oval diamond cost?

As of November 2026, 3.00 to 4.99ct I VS1 lab grown oval diamonds typically cost €490 EUR to €2,567 EUR, with a median price of €1,409 EUR. There are currently 51 diamonds matching this specification available across retailers.

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

About 30% of these diamonds are available at multiple retailers, with an average price spread of 90%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct I VS1 Lab Grown Oval

Quick answer

As of November 2026, there are 51 lab grown oval diamonds with I color and VS1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run €490 EUR to €2,567 EUR, with a median of €1,409 EUR. At least 41 retailers stock this exact specification, and 30% of the stones appear at more than one of them, with an average price spread of 90%. Half of all listings fall between €212 EUR and €552 EUR per carat. The same specification in natural form lists at a median of about €13,697 EUR per carat. Over the last 30 days the median price moved +17.8% and the number of listings moved -3.4%.

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. Oval lab grown stones in the index: 453 USD per carat, -7.4% 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

€343 EUR

Highest Price

€5,763 EUR

Average Price

€1,555 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

29.9%

Price Spread

89.6%

30-Day Price Trend

+17.8%

30-Day Supply Change

-3.4%

Volatility (30d)

0.07

Price Range

Price per carat distribution across retailers

$424/ct

10th Percentile

$142

Median

$424

90th Percentile

$946

Score Distribution

103 diamonds scored across 4 quality tiers

Excellent

17 (16.5%)

Very Good

23 (22.3%)

Good

30 (29.1%)

Average

33 (32.0%)

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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