5.00ct+ I SI1 Natural Cushion
As of April 2026, there are 2,678 natural cushion diamonds with I color and SI1 clarity in the 5.00ct+ range available across retailers worldwide. Prices range from ￥26,269 JPY to ￥73,132,251 JPY, with an average of ￥1,396,086 JPY.
Last updated: April 2026
Available
2,678
Lowest Price
￥26,269 JPY
Highest Price
￥73,132,251 JPY
Average Price
￥1,396,086 JPY
Market Intelligence
Retailers Selling
32
Cross Retailer %
N/A
Price Spread
40.2%
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
$10,328
Median
$18,940
90th Percentile
$25,375
Score Distribution
2.7K diamonds scored across 4 quality tiers
Excellent
495 (18.5%)
Very Good
881 (32.9%)
Good
832 (31.1%)
Average
470 (17.6%)
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