How much does a 0.75 to 0.99ct F I1 natural cushion diamond cost?

As of October 2026, 0.75 to 0.99ct F I1 natural cushion diamonds typically cost HK$7,003 HKD to HK$12,466 HKD, with a median price of HK$8,983 HKD. There are currently 20 diamonds matching this specification available across retailers.

Where can I find the best price on a F I1 cushion diamond?

About 12% of these diamonds are available at multiple retailers, with an average price spread of 28%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct F I1 Natural Cushion

Quick answer

As of October 2026, there are 20 natural cushion diamonds with F colour and I1 clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run HK$7,003 HKD to HK$12,466 HKD, with a median of HK$8,983 HKD. At least 19 retailers stock this exact specification, and 12% of the stones appear at more than one of them, with an average price spread of 28%. Half of all listings fall between HK$8,708 HKD and HK$11,518 HKD per carat. Over the last 30 days the median price moved -0.3% and the number of listings moved +2.5%.

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: October 2026

Available

Lowest Price

HK$4,620 HKD

Highest Price

HK$19,112 HKD

Average Price

HK$9,392 HKD

Market Intelligence

Retailers Selling

Cross Retailer %

12.0%

Price Spread

28.1%

30-Day Price Trend

-0.3%

30-Day Supply Change

+2.5%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$1,277/ct

10th Percentile

$987

Median

$1,277

90th Percentile

$1,712

Score Distribution

97 diamonds scored across 4 quality tiers

Excellent

4 (4.1%)

Very Good

7 (7.2%)

Good

8 (8.2%)

Average

78 (80.4%)

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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