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

As of September 2026, 5.00ct+ F IF natural cushion diamonds typically cost £113,402 GBP to £327,111 GBP, with a median price of £120,292 GBP. There are currently 3 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 Natural Cushion

Quick answer

As of September 2026, there are 3 natural cushion diamonds with F colour and IF clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run £113,402 GBP to £327,111 GBP, with a median of £120,292 GBP. At least 9 retailers stock this exact specification. Half of all listings fall between £22,780 GBP and £25,550 GBP per carat. The same specification in lab grown form lists at a median of about £1,946 GBP per carat.

Three of the best scored stones at this specification right now:

5.02ct Cushion F IF, GIA, score 74 of 100, from £111,679 GBP

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 natural stones in the index: 2,792 USD per carat, +1.1% 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

£111,679 GBP

Highest Price

£378,816 GBP

Average Price

£203,596 GBP

Market Intelligence

Retailers Selling

Price Spread

11.1%

Price Range

Price per carat distribution across retailers

$33,594/ct

10th Percentile

$26,854

Median

$33,594

90th Percentile

$36,381

Score Distribution

3 diamonds scored across 2 quality tiers

Very Good

2 (66.7%)

Average

1 (33.3%)

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Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

Lab-Grown F IFSame specifications, lab-grown origin

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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