1.00 - 1.49ct J SI1 Lab Grown Radiant
As of April 2026, there are 479 lab grown radiant diamonds with J color and SI1 clarity in the 1.00 - 1.49ct range available across retailers worldwide. Prices range from $293 USD to $28,427 USD, with an average of $2,899 USD.
Last updated: April 2026
Available
479
Lowest Price
$293 USD
Highest Price
$28,427 USD
Average Price
$2,899 USD
Market Intelligence
Retailers Selling
15
Cross Retailer %
N/A
Price Spread
13.4%
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
$831
Median
$1,434
90th Percentile
$2,108
Score Distribution
479 diamonds scored across 4 quality tiers
Excellent
10 (2.1%)
Very Good
17 (3.5%)
Good
360 (75.2%)
Average
92 (19.2%)
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