0.20 - 0.49ct I SI1 Lab Grown Radiant
As of April 2026, there are 404 lab grown radiant diamonds with I color and SI1 clarity in the 0.20 - 0.49ct range available across retailers worldwide. Prices range from $193 USD to $542,093 USD, with an average of $4,473 USD.
Last updated: April 2026
Available
404
Lowest Price
$193 USD
Highest Price
$542,093 USD
Average Price
$4,473 USD
Market Intelligence
Retailers Selling
12
Cross Retailer %
N/A
Price Spread
28.5%
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
$869
Median
$1,305
90th Percentile
$1,865
Score Distribution
404 diamonds scored across 4 quality tiers
Excellent
10 (2.5%)
Very Good
36 (8.9%)
Good
264 (65.3%)
Average
94 (23.3%)
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