5.00ct+ I SI1 Natural Cushion
As of April 2026, there are 2,665 natural cushion diamonds with I color and SI1 clarity in the 5.00ct+ range available across retailers worldwide. Prices range from $271 AUD to $753,825 AUD, with an average of $13,086 AUD.
Last updated: April 2026
Available
2,665
Lowest Price
$271 AUD
Highest Price
$753,825 AUD
Average Price
$13,086 AUD
Market Intelligence
Retailers Selling
36
Cross Retailer %
N/A
Price Spread
47.4%
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
$9,657
Median
$18,491
90th Percentile
$25,050
Score Distribution
2.7K diamonds scored across 4 quality tiers
Excellent
491 (18.4%)
Very Good
902 (33.8%)
Good
795 (29.8%)
Average
477 (17.9%)
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