3.00 - 4.99ct J SI1 Lab Grown Radiant
As of April 2026, there are 479 lab grown radiant diamonds with J color and SI1 clarity in the 3.00 - 4.99ct range available across retailers worldwide. Prices range from £231 GBP to £22,383 GBP, with an average of £2,283 GBP.
Last updated: April 2026
Available
479
Lowest Price
£231 GBP
Highest Price
£22,383 GBP
Average Price
£2,283 GBP
Market Intelligence
Retailers Selling
11
Cross Retailer %
N/A
Price Spread
63.4%
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
$472
Median
$2,152
90th Percentile
$3,257
Score Distribution
469 diamonds scored across 4 quality tiers
Excellent
10 (2.1%)
Very Good
17 (3.6%)
Good
354 (75.5%)
Average
88 (18.8%)
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