1.50 - 1.99ct J SI1 Natural Radiant
As of April 2026, there are 1,220 natural radiant diamonds with J color and SI1 clarity in the 1.50 - 1.99ct range available across retailers worldwide. Prices range from ￥34,328 JPY to ￥45,908,386 JPY, with an average of ￥1,437,221 JPY.
Last updated: April 2026
Available
1,220
Lowest Price
￥34,328 JPY
Highest Price
￥45,908,386 JPY
Average Price
￥1,437,221 JPY
Market Intelligence
Retailers Selling
41
Cross Retailer %
N/A
Price Spread
49.2%
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
$1,937
Median
$2,926
90th Percentile
$4,709
Score Distribution
1.2K diamonds scored across 4 quality tiers
Excellent
141 (11.6%)
Very Good
298 (24.4%)
Good
477 (39.1%)
Average
304 (24.9%)
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