3.00 - 4.99ct I SI1 Lab Grown Radiant
As of April 2026, there are 400 lab grown radiant diamonds with I color and SI1 clarity in the 3.00 - 4.99ct range available across retailers worldwide. Prices range from ￥28,812 JPY to ￥80,909,403 JPY, with an average of ￥618,969 JPY.
Last updated: April 2026
Available
400
Lowest Price
￥28,812 JPY
Highest Price
￥80,909,403 JPY
Average Price
￥618,969 JPY
Market Intelligence
Retailers Selling
19
Cross Retailer %
N/A
Price Spread
76.3%
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
$360
Median
$1,370
90th Percentile
$3,202
Score Distribution
400 diamonds scored across 4 quality tiers
Excellent
10 (2.5%)
Very Good
33 (8.3%)
Good
261 (65.3%)
Average
96 (24.0%)
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