0.20 - 0.49ct J I1 Lab Grown Round
As of April 2026, there are 1,251 lab grown round diamonds with J color and I1 clarity in the 0.20 - 0.49ct range available across retailers worldwide. Prices range from ￥11,343 JPY to ￥26,411,642 JPY, with an average of ￥1,063,532 JPY.
Last updated: April 2026
Available
1,251
Lowest Price
￥11,343 JPY
Highest Price
￥26,411,642 JPY
Average Price
￥1,063,532 JPY
Market Intelligence
Retailers Selling
5
Cross Retailer %
100.0%
Price Spread
94.0%
30-Day Price Trend
N/A
30-Day Supply Change
N/A
Volatility (30d)
0.07
Price Range
Price per carat distribution across retailers
10th Percentile
$303
Median
$458
90th Percentile
$1,088
Score Distribution
1.3K diamonds scored across 4 quality tiers
Excellent
12 (1.0%)
Very Good
439 (35.1%)
Good
367 (29.3%)
Average
433 (34.6%)
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