3.00 - 4.99ct H SI1 Lab Grown Radiant
As of April 2026, there are 295 lab grown radiant diamonds with H color and SI1 clarity in the 3.00 - 4.99ct range available across retailers worldwide. Prices range from £121 GBP to £73,590 GBP, with an average of £3,675 GBP.
Last updated: April 2026
Available
295
Lowest Price
£121 GBP
Highest Price
£73,590 GBP
Average Price
£3,675 GBP
Market Intelligence
Retailers Selling
20
Cross Retailer %
N/A
Price Spread
144.7%
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
$376
Median
$1,786
90th Percentile
$15,039
Score Distribution
295 diamonds scored across 4 quality tiers
Excellent
53 (18.0%)
Very Good
91 (30.8%)
Good
108 (36.6%)
Average
43 (14.6%)
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