How much does a 0.20 to 0.49ct H I1 natural cushion diamond cost?

As of October 2026, 0.20 to 0.49ct H I1 natural cushion diamonds typically cost $455 CAD to $559 CAD, with a median price of $512 CAD. There are currently 8 diamonds matching this specification available across retailers.

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

About 5% of these diamonds are available at multiple retailers, with an average price spread of 22%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct H I1 Natural Cushion

Quick answer

As of October 2026, there are 8 natural cushion diamonds with H color and I1 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run $455 CAD to $559 CAD, with a median of $512 CAD. At least 6 retailers stock this exact specification, and 5% of the stones appear at more than one of them, with an average price spread of 22%. Half of all listings fall between $1,182 CAD and $1,472 CAD per carat. Over the last 30 days the median price moved -0.6% and the number of listings moved -4.2%.

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

$203 CAD

Highest Price

$749 CAD

Average Price

$503 CAD

Market Intelligence

Retailers Selling

Cross Retailer %

4.8%

Price Spread

21.7%

30-Day Price Trend

-0.6%

30-Day Supply Change

-4.2%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$956/ct

10th Percentile

$802

Median

$956

90th Percentile

$1,173

Score Distribution

29 diamonds scored across 4 quality tiers

Excellent

1 (3.4%)

Very Good

1 (3.4%)

Good

4 (13.8%)

Average

23 (79.3%)

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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