1.50 - 1.99ct I I1 Natural Round
As of April 2026, there are 2,419 natural round diamonds with I color and I1 clarity in the 1.50 - 1.99ct range available across retailers worldwide. Prices range from ￥6,716 JPY to ￥23,351,873 JPY, with an average of ￥695,266 JPY.
Last updated: April 2026
Available
2,419
Lowest Price
￥6,716 JPY
Highest Price
￥23,351,873 JPY
Average Price
￥695,266 JPY
Market Intelligence
Retailers Selling
25
Cross Retailer %
52.3%
Price Spread
54.9%
30-Day Price Trend
-1.9%
30-Day Supply Change
+11.7%
Volatility (30d)
0.01
Price Range
Price per carat distribution across retailers
10th Percentile
$1,856
Median
$3,486
90th Percentile
$5,689
Score Distribution
2.4K diamonds scored across 4 quality tiers
Excellent
321 (13.3%)
Very Good
836 (34.6%)
Good
742 (30.7%)
Average
520 (21.5%)
Find Your Diamond
Search 2,419 I I1 round diamonds and compare prices.
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