3.00 - 4.99ct J SI1 Natural Cushion
As of April 2026, there are 2,107 natural cushion diamonds with J color and SI1 clarity in the 3.00 - 4.99ct range available across retailers worldwide. Prices range from ￥22,985 JPY to ￥62,242,524 JPY, with an average of ￥1,242,903 JPY.
Last updated: April 2026
Available
2,107
Lowest Price
￥22,985 JPY
Highest Price
￥62,242,524 JPY
Average Price
￥1,242,903 JPY
Market Intelligence
Retailers Selling
38
Cross Retailer %
N/A
Price Spread
54.8%
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
$4,384
Median
$6,889
90th Percentile
$10,677
Score Distribution
2.1K diamonds scored across 4 quality tiers
Excellent
275 (13.1%)
Very Good
553 (26.2%)
Good
779 (37.0%)
Average
500 (23.7%)
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