How much does a 1.50 to 1.99ct F IF natural marquise diamond cost?

As of October 2026, 1.50 to 1.99ct F IF natural marquise diamonds typically cost £10,963 GBP to £17,287 GBP, with a median price of £13,227 GBP. There are currently 5 diamonds matching this specification available across retailers.

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

About 39% of these diamonds are available at multiple retailers, with an average price spread of 20%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct F IF Natural Marquise

Quick answer

As of October 2026, there are 5 natural marquise diamonds with F colour and IF clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run £10,963 GBP to £17,287 GBP, with a median of £13,227 GBP. At least 38 retailers stock this exact specification, and 39% of the stones appear at more than one of them, with an average price spread of 20%. Half of all listings fall between £8,747 GBP and £10,664 GBP per carat. The same specification in lab grown form lists at a median of about £793 GBP per carat. Over the last 30 days the median price moved +0.5% and the number of listings moved +37.6%.

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

Caratlytics Diamond Price Index, September 2026: natural diamonds at 2,335 USD per carat and lab-grown at 443 USD per carat, a natural to lab ratio of 5.3 to 1. Marquise natural stones in the index: 2,268 USD per carat, +10.8% month on month. See the full index release

Figures come from current listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: October 2026

Available

Lowest Price

£10,463 GBP

Highest Price

£20,878 GBP

Average Price

£13,772 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

38.7%

Price Spread

19.9%

30-Day Price Trend

+0.5%

30-Day Supply Change

+37.6%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$12,924/ct

10th Percentile

$10,739

Median

$12,924

90th Percentile

$16,253

Score Distribution

8 diamonds scored across 4 quality tiers

Exceptional

1 (12.5%)

Excellent

4 (50.0%)

Very Good

2 (25.0%)

Good

1 (12.5%)

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Consider Instead

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

F VVS1VVS1 inclusions are not visible without magnification

Save 13%

Lab-Grown F IFSame specifications, lab-grown origin

Save 92%

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