How much does a 5.00ct+ I IF lab grown oval diamond cost?

As of September 2026, 5.00ct+ I IF lab grown oval diamonds typically cost €2,241 EUR to €11,858 EUR, with a median price of €5,026 EUR. There are currently 5 diamonds matching this specification available across retailers.

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

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5.00ct+ I IF Lab Grown Oval

Quick answer

As of September 2026, there are 5 lab grown oval diamonds with I colour and IF clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run €2,241 EUR to €11,858 EUR, with a median of €5,026 EUR. At least 16 retailers stock this exact specification. Half of all listings fall between €1,293 EUR and €2,382 EUR per carat. The same specification in natural form lists at a median of about €28,488 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. Oval lab grown stones in the index: 487 USD per carat, -11.2% 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

€1,903 EUR

Highest Price

€42,361 EUR

Average Price

€6,435 EUR

Market Intelligence

Retailers Selling

Price Spread

67.0%

Price Range

Price per carat distribution across retailers

$1,876/ct

10th Percentile

$928

Median

$1,876

90th Percentile

$4,860

Score Distribution

5 diamonds scored across 3 quality tiers

Excellent

2 (40.0%)

Very Good

1 (20.0%)

Good

2 (40.0%)

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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