1.50 - 1.99ct I I1 Natural Radiant
As of April 2026, there are 149 natural radiant diamonds with I color and I1 clarity in the 1.50 - 1.99ct range available across retailers worldwide. Prices range from ￥53,134 JPY to ￥15,990,791 JPY, with an average of ￥1,127,406 JPY.
Last updated: April 2026
Available
149
Lowest Price
￥53,134 JPY
Highest Price
￥15,990,791 JPY
Average Price
￥1,127,406 JPY
Market Intelligence
Retailers Selling
15
Cross Retailer %
31.4%
Price Spread
82.0%
30-Day Price Trend
-6.5%
30-Day Supply Change
-9.0%
Volatility (30d)
0.01
Price Range
Price per carat distribution across retailers
10th Percentile
$1,561
Median
$2,957
90th Percentile
$5,939
Score Distribution
149 diamonds scored across 4 quality tiers
Excellent
7 (4.7%)
Very Good
42 (28.2%)
Good
37 (24.8%)
Average
63 (42.3%)
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