3.00 - 4.99ct I SI2 Lab Grown Radiant
As of April 2026, there are 108 lab grown radiant diamonds with I color and SI2 clarity in the 3.00 - 4.99ct range available across retailers worldwide. Prices range from £145 GBP to £50,479 GBP, with an average of £5,792 GBP.
Last updated: April 2026
Available
108
Lowest Price
£145 GBP
Highest Price
£50,479 GBP
Average Price
£5,792 GBP
Market Intelligence
Retailers Selling
13
Cross Retailer %
N/A
Price Spread
248.7%
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
$214
Median
$5,141
90th Percentile
$16,151
Score Distribution
108 diamonds scored across 3 quality tiers
Very Good
9 (8.3%)
Good
12 (11.1%)
Average
87 (80.6%)
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