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

As of September 2026, 5.00ct+ F IF lab grown cushion diamonds typically cost $10,113 NZD to $83,554 NZD, with a median price of $35,305 NZD. There are currently 17 diamonds matching this specification available across retailers.

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

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5.00ct+ F IF Lab Grown Cushion

Quick answer

As of September 2026, there are 17 lab grown cushion diamonds with F colour and IF clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $10,113 NZD to $83,554 NZD, with a median of $35,305 NZD. At least 16 retailers stock this exact specification. Half of all listings fall between $2,367 NZD and $5,943 NZD per carat. The same specification in natural form lists at a median of about $57,711 NZD 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

Lowest Price

$4,802 NZD

Highest Price

$127,197 NZD

Average Price

$44,273 NZD

Market Intelligence

Retailers Selling

Price Spread

77.7%

Price Range

Price per carat distribution across retailers

$2,680/ct

10th Percentile

$871

Median

$2,680

90th Percentile

$5,352

Score Distribution

17 diamonds scored across 4 quality tiers

Excellent

3 (17.6%)

Very Good

4 (23.5%)

Good

6 (35.3%)

Average

4 (23.5%)

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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