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 $14,785 USD to $22,918 USD, with a median price of $18,301 USD. 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 color and IF clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $14,785 USD to $22,918 USD, with a median of $18,301 USD. 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 $11,707 USD and $14,246 USD per carat. The same specification in lab grown form lists at a median of about $1,048 USD per carat. Over the last 30 days the median price moved +1.0% and the number of listings moved +38.7%.

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

$14,020 USD

Highest Price

$27,974 USD

Average Price

$18,642 USD

Market Intelligence

Retailers Selling

Cross Retailer %

38.7%

Price Spread

19.7%

30-Day Price Trend

+1.0%

30-Day Supply Change

+38.7%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$12,901/ct

10th Percentile

$10,736

Median

$12,901

90th Percentile

$15,623

Score Distribution

9 diamonds scored across 4 quality tiers

Exceptional

1 (11.1%)

Excellent

4 (44.4%)

Very Good

2 (22.2%)

Good

2 (22.2%)

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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