How much does a 1.00 to 1.49ct F IF natural marquise diamond cost?

As of September 2026, 1.00 to 1.49ct F IF natural marquise diamonds typically cost £3,265 GBP to £7,511 GBP, with a median price of £4,845 GBP. There are currently 105 diamonds matching this specification available across retailers.

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

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1.00 to 1.49ct F IF Natural Marquise

Quick answer

As of September 2026, there are 105 natural marquise diamonds with F colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run £3,265 GBP to £7,511 GBP, with a median of £4,845 GBP. At least 50 retailers stock this exact specification. Half of all listings fall between £3,816 GBP and £5,346 GBP per carat. The same specification in lab grown form lists at a median of about £515 GBP 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. Marquise natural stones in the index: 2,114 USD per carat, -8.8% 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

105

Lowest Price

£1,643 GBP

Highest Price

£11,850 GBP

Average Price

£5,174 GBP

Market Intelligence

Retailers Selling

Price Spread

33.7%

Price Range

Price per carat distribution across retailers

$6,067/ct

10th Percentile

$4,461

Median

$6,067

90th Percentile

$8,311

Score Distribution

105 diamonds scored across 4 quality tiers

Excellent

16 (15.2%)

Very Good

33 (31.4%)

Good

30 (28.6%)

Average

26 (24.8%)

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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