3.00 - 4.99ct J SI1 Lab Grown Cushion
As of April 2026, there are 510 lab grown cushion diamonds with J color and SI1 clarity in the 3.00 - 4.99ct range available across retailers worldwide. Prices range from $259 CAD to $44,303 CAD, with an average of $3,997 CAD.
Last updated: April 2026
Available
510
Lowest Price
$259 CAD
Highest Price
$44,303 CAD
Average Price
$3,997 CAD
Market Intelligence
Retailers Selling
4
Cross Retailer %
N/A
Price Spread
6.9%
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
$1,869
Median
$1,997
90th Percentile
$2,041
Score Distribution
510 diamonds scored across 4 quality tiers
Excellent
29 (5.7%)
Very Good
94 (18.4%)
Good
270 (52.9%)
Average
117 (22.9%)
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