3.00 - 4.99ct I SI2 Lab Grown Cushion
As of April 2026, there are 129 lab grown cushion diamonds with I color and SI2 clarity in the 3.00 - 4.99ct range available across retailers worldwide. Prices range from $182 USD to $8,938 USD, with an average of $2,475 USD.
Last updated: April 2026
Available
129
Lowest Price
$182 USD
Highest Price
$8,938 USD
Average Price
$2,475 USD
Market Intelligence
Retailers Selling
10
Cross Retailer %
N/A
Price Spread
115.4%
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
$359
Median
$623
90th Percentile
$1,374
Score Distribution
129 diamonds scored across 4 quality tiers
Excellent
5 (3.9%)
Very Good
46 (35.7%)
Good
30 (23.3%)
Average
48 (37.2%)
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