1.50 - 1.99ct J I1 Natural Round
As of April 2026, there are 2,046 natural round diamonds with J color and I1 clarity in the 1.50 - 1.99ct range available across retailers worldwide. Prices range from ￥10,407 JPY to ￥58,742,455 JPY, with an average of ￥784,509 JPY.
Last updated: April 2026
Available
2,046
Lowest Price
￥10,407 JPY
Highest Price
￥58,742,455 JPY
Average Price
￥784,509 JPY
Market Intelligence
Retailers Selling
25
Cross Retailer %
45.9%
Price Spread
62.7%
30-Day Price Trend
-5.8%
30-Day Supply Change
+20.6%
Volatility (30d)
0.04
Price Range
Price per carat distribution across retailers
10th Percentile
$1,429
Median
$2,528
90th Percentile
$4,724
Score Distribution
2.0K diamonds scored across 4 quality tiers
Excellent
237 (11.6%)
Very Good
530 (25.9%)
Good
665 (32.5%)
Average
614 (30.0%)
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