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

As of October 2026, 1.50 to 1.99ct E IF natural marquise diamonds typically cost $15,172 USD to $34,146 USD, with a median price of $18,170 USD. There are currently 8 diamonds matching this specification available across retailers.

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

About 38% of these diamonds are available at multiple retailers, with an average price spread of 26%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct E IF Natural Marquise

Quick answer

As of October 2026, there are 8 natural marquise diamonds with E color and IF clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $15,172 USD to $34,146 USD, with a median of $18,170 USD. At least 54 retailers stock this exact specification, and 38% of the stones appear at more than one of them, with an average price spread of 26%. Half of all listings fall between $11,595 USD and $14,990 USD per carat. The same specification in lab grown form lists at a median of about $1,000 USD per carat. Over the last 30 days the median price moved -1.3% and the number of listings moved +20.6%.

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

$13,901 USD

Highest Price

$34,629 USD

Average Price

$21,894 USD

Market Intelligence

Retailers Selling

Cross Retailer %

38.1%

Price Spread

26.1%

30-Day Price Trend

-1.3%

30-Day Supply Change

+20.6%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$13,032/ct

10th Percentile

$10,679

Median

$13,032

90th Percentile

$17,702

Score Distribution

15 diamonds scored across 5 quality tiers

Exceptional

1 (6.7%)

Excellent

4 (26.7%)

Very Good

4 (26.7%)

Good

2 (13.3%)

Average

4 (26.7%)

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Consider Instead

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

E VVS1VVS1 inclusions are not visible without magnification

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Lab-Grown E 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