0.20 - 0.49ct I SI1 Lab Grown Radiant
As of April 2026, there are 417 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 $5,509 USD.
Last updated: April 2026
Available
417
Lowest Price
$193 USD
Highest Price
$542,093 USD
Average Price
$5,509 USD
Market Intelligence
Retailers Selling
11
Cross Retailer %
N/A
Price Spread
32.2%
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
$853
Median
$1,329
90th Percentile
$1,871
Score Distribution
417 diamonds scored across 4 quality tiers
Excellent
14 (3.4%)
Very Good
30 (7.2%)
Good
262 (62.8%)
Average
111 (26.6%)
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