How much does a 0.75 to 0.99ct J IF natural marquise diamond cost?

As of October 2026, 0.75 to 0.99ct J IF natural marquise diamonds typically cost $1,050 USD to $2,861 USD, with a median price of $2,040 USD. There are currently 14 diamonds matching this specification available across retailers.

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

About 48% of these diamonds are available at multiple retailers, with an average price spread of 42%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct J IF Natural Marquise

Quick answer

As of October 2026, there are 14 natural marquise diamonds with J color and IF clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run $1,050 USD to $2,861 USD, with a median of $2,040 USD. At least 38 retailers stock this exact specification, and 48% of the stones appear at more than one of them, with an average price spread of 42%. Half of all listings fall between $1,945 USD and $2,941 USD per carat. Over the last 30 days the median price moved +0.4% and the number of listings moved +32.8%.

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

$747 USD

Highest Price

$4,939 USD

Average Price

$1,993 USD

Market Intelligence

Retailers Selling

Cross Retailer %

47.8%

Price Spread

41.7%

30-Day Price Trend

+0.4%

30-Day Supply Change

+32.8%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$2,388/ct

10th Percentile

$1,618

Median

$2,388

90th Percentile

$3,805

Score Distribution

31 diamonds scored across 4 quality tiers

Excellent

11 (35.5%)

Very Good

6 (19.4%)

Good

3 (9.7%)

Average

11 (35.5%)

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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