0.20 - 0.49ct I SI1 Lab Grown Round
As of April 2026, there are 6,864 lab grown round diamonds with I color and SI1 clarity in the 0.20 - 0.49ct range available across retailers worldwide. Prices range from ￥11,321 JPY to ￥14,090,000 JPY, with an average of ￥312,315 JPY.
Last updated: April 2026
Available
6,864
Lowest Price
￥11,321 JPY
Highest Price
￥14,090,000 JPY
Average Price
￥312,315 JPY
Market Intelligence
Retailers Selling
10
Cross Retailer %
N/A
Price Spread
47.6%
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
$822
Median
$991
90th Percentile
$2,275
Score Distribution
6.9K diamonds scored across 4 quality tiers
Excellent
1,645 (24.0%)
Very Good
3,220 (46.9%)
Good
1,196 (17.4%)
Average
803 (11.7%)
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