1.00 - 1.49ct J SI1 Natural Radiant
As of April 2026, there are 1,272 natural radiant diamonds with J color and SI1 clarity in the 1.00 - 1.49ct range available across retailers worldwide. Prices range from $383 NZD to $512,644 NZD, with an average of $18,802 NZD.
Last updated: April 2026
Available
1,272
Lowest Price
$383 NZD
Highest Price
$512,644 NZD
Average Price
$18,802 NZD
Market Intelligence
Retailers Selling
47
Cross Retailer %
N/A
Price Spread
47.8%
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
$1,226
Median
$1,771
90th Percentile
$3,014
Score Distribution
1.3K diamonds scored across 4 quality tiers
Excellent
136 (10.7%)
Very Good
307 (24.1%)
Good
496 (39.0%)
Average
333 (26.2%)
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