1.50 - 1.99ct I SI1 Natural Radiant
As of April 2026, there are 1,637 natural radiant diamonds with I color and SI1 clarity in the 1.50 - 1.99ct range available across retailers worldwide. Prices range from €274 EUR to €680,067 EUR, with an average of €10,614 EUR.
Last updated: April 2026
Available
1,637
Lowest Price
€274 EUR
Highest Price
€680,067 EUR
Average Price
€10,614 EUR
Market Intelligence
Retailers Selling
50
Cross Retailer %
N/A
Price Spread
44.6%
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
$2,795
Median
$4,166
90th Percentile
$6,405
Score Distribution
1.6K diamonds scored across 4 quality tiers
Excellent
242 (14.8%)
Very Good
575 (35.1%)
Good
577 (35.2%)
Average
243 (14.8%)
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