1.00 - 1.49ct J SI1 Natural Radiant
As of April 2026, there are 1,278 natural radiant diamonds with J color and SI1 clarity in the 1.00 - 1.49ct range available across retailers worldwide. Prices range from $311 CAD to $415,657 CAD, with an average of $15,198 CAD.
Last updated: April 2026
Available
1,278
Lowest Price
$311 CAD
Highest Price
$415,657 CAD
Average Price
$15,198 CAD
Market Intelligence
Retailers Selling
47
Cross Retailer %
N/A
Price Spread
47.3%
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
$1,783
90th Percentile
$3,014
Score Distribution
1.3K diamonds scored across 4 quality tiers
Excellent
144 (11.3%)
Very Good
301 (23.6%)
Good
500 (39.1%)
Average
333 (26.1%)
Find Your Diamond
Search 1,278 J SI1 radiant diamonds and compare prices.
Search DiamondsConsider Instead
Save money without compromising on what matters. These alternatives are visually similar but cost less.