1.00 - 1.49ct I SI1 Lab Grown Round
As of April 2026, there are 7,470 lab grown round diamonds with I color and SI1 clarity in the 1.00 - 1.49ct range available across retailers worldwide. Prices range from ￥9,701 JPY to ￥17,132,875 JPY, with an average of ￥405,485 JPY.
Last updated: April 2026
Available
7,470
Lowest Price
￥9,701 JPY
Highest Price
￥17,132,875 JPY
Average Price
￥405,485 JPY
Market Intelligence
Retailers Selling
42
Cross Retailer %
N/A
Price Spread
37.3%
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
$1,669
Median
$2,660
90th Percentile
$3,611
Score Distribution
7.5K diamonds scored across 4 quality tiers
Excellent
1,229 (16.5%)
Very Good
3,793 (50.8%)
Good
1,514 (20.3%)
Average
934 (12.5%)
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