5.00ct+ I SI1 Lab Grown Round
As of April 2026, there are 7,471 lab grown round diamonds with I color and SI1 clarity in the 5.00ct+ range available across retailers worldwide. Prices range from ￥9,701 JPY to ￥17,132,875 JPY, with an average of ￥405,628 JPY.
Last updated: April 2026
Available
7,471
Lowest Price
￥9,701 JPY
Highest Price
￥17,132,875 JPY
Average Price
￥405,628 JPY
Market Intelligence
Retailers Selling
11
Cross Retailer %
N/A
Price Spread
94.2%
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
$429
Median
$1,115
90th Percentile
$2,242
Score Distribution
7.5K diamonds scored across 4 quality tiers
Excellent
1,230 (16.5%)
Very Good
3,793 (50.8%)
Good
1,515 (20.3%)
Average
933 (12.5%)
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