1.50 - 1.99ct I SI1 Natural Round
As of April 2026, there are 21,087 natural round diamonds with I color and SI1 clarity in the 1.50 - 1.99ct range available across retailers worldwide. Prices range from $127 CAD to $605,935 CAD, with an average of $7,857 CAD.
Last updated: April 2026
Available
21,087
Lowest Price
$127 CAD
Highest Price
$605,935 CAD
Average Price
$7,857 CAD
Market Intelligence
Retailers Selling
61
Cross Retailer %
N/A
Price Spread
46.9%
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
$3,063
Median
$4,714
90th Percentile
$7,426
Score Distribution
21.1K diamonds scored across 4 quality tiers
Excellent
4,997 (23.7%)
Very Good
7,050 (33.4%)
Good
5,940 (28.2%)
Average
3,100 (14.7%)
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