1.00 - 1.49ct J SI2 Lab Grown Radiant
As of April 2026, there are 158 lab grown radiant diamonds with J color and SI2 clarity in the 1.00 - 1.49ct range available across retailers worldwide. Prices range from ￥25,373 JPY to ￥33,662,985 JPY, with an average of ￥891,040 JPY.
Last updated: April 2026
Available
158
Lowest Price
￥25,373 JPY
Highest Price
￥33,662,985 JPY
Average Price
￥891,040 JPY
Market Intelligence
Retailers Selling
8
Cross Retailer %
N/A
Price Spread
1.0%
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
$1,231
Median
$1,850
90th Percentile
$2,149
Score Distribution
158 diamonds scored across 3 quality tiers
Very Good
13 (8.2%)
Good
17 (10.8%)
Average
128 (81.0%)
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