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

As of September 2026, 5.00ct+ D IF lab grown cushion diamonds typically cost $7,467 USD to $33,022 USD, with a median price of $14,733 USD. There are currently 686 diamonds matching this specification available across retailers.

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

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5.00ct+ D IF Lab Grown Cushion

Quick answer

As of September 2026, there are 686 lab grown cushion diamonds with D color and IF clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $7,467 USD to $33,022 USD, with a median of $14,733 USD. At least 17 retailers stock this exact specification. Half of all listings fall between $9,974 USD and $21,374 USD per carat. The same specification in natural form lists at a median of about $40,565 USD 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

686

Lowest Price

$3,794 USD

Highest Price

$482,590 USD

Average Price

$20,452 USD

Market Intelligence

Retailers Selling

Price Spread

85.8%

Price Range

Price per carat distribution across retailers

$13,291/ct

10th Percentile

$8,742

Median

$13,291

90th Percentile

$33,940

Score Distribution

686 diamonds scored across 4 quality tiers

Excellent

172 (25.1%)

Very Good

241 (35.1%)

Good

241 (35.1%)

Average

32 (4.7%)

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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