How much does a 0.75 to 0.99ct I IF natural cushion diamond cost?

As of November 2026, 0.75 to 0.99ct I IF natural cushion diamonds typically cost €754 EUR to €1,951 EUR, with a median price of €1,104 EUR. There are currently 42 diamonds matching this specification available across retailers.

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

About 32% of these diamonds are available at multiple retailers, with an average price spread of 57%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct I IF Natural Cushion

Quick answer

As of November 2026, there are 42 natural cushion diamonds with I color and IF clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run €754 EUR to €1,951 EUR, with a median of €1,104 EUR. At least 51 retailers stock this exact specification, and 32% of the stones appear at more than one of them, with an average price spread of 57%. Half of all listings fall between €1,171 EUR and €1,990 EUR per carat. Over the last 30 days the median price moved -1.1% and the number of listings moved -1.4%.

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. Cushion natural stones in the index: 2,948 USD per carat, +1.7% 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: November 2026

Available

Lowest Price

€535 EUR

Highest Price

€4,394 EUR

Average Price

€1,269 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

31.6%

Price Spread

56.8%

30-Day Price Trend

-1.1%

30-Day Supply Change

-1.4%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,612/ct

10th Percentile

$1,135

Median

$1,612

90th Percentile

$3,154

Score Distribution

112 diamonds scored across 4 quality tiers

Excellent

31 (27.7%)

Very Good

22 (19.6%)

Good

35 (31.3%)

Average

24 (21.4%)

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J IFJ colour is visually identical to I to the naked eye

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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