How much does a 0.75 to 0.99ct H SI1 natural cushion diamond cost?

As of October 2026, 0.75 to 0.99ct H SI1 natural cushion diamonds typically cost ₹74,291 INR to ₹2,98,039 INR, with a median price of ₹1,62,833 INR. There are currently 175 diamonds matching this specification available across retailers.

Where can I find the best price on a H SI1 cushion diamond?

About 29% of these diamonds are available at multiple retailers, with an average price spread of 76%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct H SI1 Natural Cushion

Quick answer

As of October 2026, there are 175 natural cushion diamonds with H colour and SI1 clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run ₹74,291 INR to ₹2,98,039 INR, with a median of ₹1,62,833 INR. At least 58 retailers stock this exact specification, and 29% of the stones appear at more than one of them, with an average price spread of 76%. Half of all listings fall between ₹1,21,375 INR and ₹2,64,989 INR per carat. The same specification in lab grown form lists at a median of about ₹77,850 INR 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

175

Lowest Price

₹48,764 INR

Highest Price

₹6,04,018 INR

Average Price

₹1,75,500 INR

Market Intelligence

Retailers Selling

Cross Retailer %

29.4%

Price Spread

76.4%

30-Day Price Trend

+0.9%

30-Day Supply Change

+2.5%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$1,980/ct

10th Percentile

$965

Median

$1,980

90th Percentile

$3,456

Score Distribution

448 diamonds scored across 4 quality tiers

Excellent

49 (10.9%)

Very Good

69 (15.4%)

Good

162 (36.2%)

Average

168 (37.5%)

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Consider Instead

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

H SI2SI2 inclusions are not visible without magnification

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Lab-Grown H SI1Same 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