5.00ct+ I SI2 Natural Cushion
As of April 2026, there are 1,745 natural cushion diamonds with I color and SI2 clarity in the 5.00ct+ range available across retailers worldwide. Prices range from £192 GBP to £346,223 GBP, with an average of £8,366 GBP.
Last updated: April 2026
Available
1,745
Lowest Price
£192 GBP
Highest Price
£346,223 GBP
Average Price
£8,366 GBP
Market Intelligence
Retailers Selling
12
Cross Retailer %
N/A
Price Spread
18.3%
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
$16,275
Median
$26,457
90th Percentile
$35,566
Score Distribution
1.7K diamonds scored across 4 quality tiers
Excellent
253 (14.5%)
Very Good
572 (32.8%)
Good
500 (28.7%)
Average
420 (24.1%)
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