How much does a 0.75 to 0.99ct H SI2 natural cushion diamond cost?

As of October 2026, 0.75 to 0.99ct H SI2 natural cushion diamonds typically cost $710 USD to $2,804 USD, with a median price of $1,337 USD. There are currently 126 diamonds matching this specification available across retailers.

Where can I find the best price on a H SI2 cushion diamond?

About 28% of these diamonds are available at multiple retailers, with an average price spread of 79%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct H SI2 Natural Cushion

Quick answer

As of October 2026, there are 126 natural cushion diamonds with H color and SI2 clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run $710 USD to $2,804 USD, with a median of $1,337 USD. At least 49 retailers stock this exact specification, and 28% of the stones appear at more than one of them, with an average price spread of 79%. Half of all listings fall between $1,130 USD and $2,419 USD per carat. Over the last 30 days the median price moved +0.9% 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

126

Lowest Price

$437 USD

Highest Price

$6,330 USD

Average Price

$1,572 USD

Market Intelligence

Retailers Selling

Cross Retailer %

28.2%

Price Spread

79.4%

30-Day Price Trend

+0.9%

30-Day Supply Change

+2.5%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$1,623/ct

10th Percentile

$879

Median

$1,623

90th Percentile

$3,141

Score Distribution

323 diamonds scored across 4 quality tiers

Excellent

39 (12.1%)

Very Good

55 (17.0%)

Good

105 (32.5%)

Average

124 (38.4%)

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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