How much does a 5.00ct+ E IF lab grown cushion diamond cost?

As of September 2026, 5.00ct+ E IF lab grown cushion diamonds typically cost €3,789 EUR to €26,424 EUR, with a median price of €11,489 EUR. There are currently 132 diamonds matching this specification available across retailers.

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

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5.00ct+ E IF Lab Grown Cushion

Quick answer

As of September 2026, there are 132 lab grown cushion diamonds with E colour and IF clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run €3,789 EUR to €26,424 EUR, with a median of €11,489 EUR. At least 13 retailers stock this exact specification. Half of all listings fall between €8,721 EUR and €14,134 EUR per carat. The same specification in natural form lists at a median of about €35,155 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. Cushion lab grown stones in the index: 466 USD per carat, -14.7% 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

132

Lowest Price

€2,245 EUR

Highest Price

€126,322 EUR

Average Price

€16,242 EUR

Market Intelligence

Retailers Selling

Price Spread

50.7%

Price Range

Price per carat distribution across retailers

$12,326/ct

10th Percentile

$9,255

Median

$12,326

90th Percentile

$18,191

Score Distribution

132 diamonds scored across 4 quality tiers

Excellent

37 (28.0%)

Very Good

47 (35.6%)

Good

33 (25.0%)

Average

15 (11.4%)

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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