0.20 - 0.49ct I SI1 Natural Cushion
As of April 2026, there are 2,679 natural cushion diamonds with I color and SI1 clarity in the 0.20 - 0.49ct range available across retailers worldwide. Prices range from ￥26,269 JPY to ￥73,132,251 JPY, with an average of ￥1,403,288 JPY.
Last updated: April 2026
Available
2,679
Lowest Price
￥26,269 JPY
Highest Price
￥73,132,251 JPY
Average Price
￥1,403,288 JPY
Market Intelligence
Retailers Selling
8
Cross Retailer %
N/A
Price Spread
37.1%
30-Day Price Trend
N/A
30-Day Supply Change
N/A
Volatility (30d)
N/A
Price Range
Price per carat distribution across retailers
10th Percentile
$981
Median
$1,329
90th Percentile
$1,938
Score Distribution
2.7K diamonds scored across 4 quality tiers
Excellent
496 (18.5%)
Very Good
882 (32.9%)
Good
831 (31.0%)
Average
470 (17.5%)
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