1.50 - 1.99ct J SI1 Natural Round
As of April 2026, there are 16,613 natural round diamonds with J color and SI1 clarity in the 1.50 - 1.99ct range available across retailers worldwide. Prices range from ¥14,776 JPY to ¥125,617,862 JPY, with an average of ¥919,847 JPY.
Last updated: April 2026
Available
16,613
Lowest Price
¥14,776 JPY
Highest Price
¥125,617,862 JPY
Average Price
¥919,847 JPY
Market Intelligence
Retailers Selling
56
Cross Retailer %
N/A
Price Spread
45.2%
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
$2,044
Median
$3,128
90th Percentile
$4,951
Score Distribution
16.6K diamonds scored across 4 quality tiers
Excellent
2,748 (16.5%)
Very Good
5,096 (30.7%)
Good
5,182 (31.2%)
Average
3,587 (21.6%)
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