0.20 - 0.49ct E SI1 Lab Grown Radiant
As of April 2026, there are 2,137 lab grown radiant diamonds with E color and SI1 clarity in the 0.20 - 0.49ct range available across retailers worldwide. Prices range from ￥20,955 JPY to ￥2,247,319 JPY, with an average of ￥132,107 JPY.
Last updated: April 2026
Available
2,137
Lowest Price
￥20,955 JPY
Highest Price
￥2,247,319 JPY
Average Price
￥132,107 JPY
Market Intelligence
Retailers Selling
14
Cross Retailer %
N/A
Price Spread
51.2%
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
$496
Median
$749
90th Percentile
$1,833
Score Distribution
2.1K diamonds scored across 4 quality tiers
Excellent
907 (42.4%)
Very Good
663 (31.0%)
Good
342 (16.0%)
Average
225 (10.5%)
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