1.00 - 1.49ct I SI1 Lab Grown Cushion
As of April 2026, there are 349 lab grown cushion diamonds with I color and SI1 clarity in the 1.00 - 1.49ct range available across retailers worldwide. Prices range from $199 USD to $114,155 USD, with an average of $4,358 USD.
Last updated: April 2026
Available
349
Lowest Price
$199 USD
Highest Price
$114,155 USD
Average Price
$4,358 USD
Market Intelligence
Retailers Selling
18
Cross Retailer %
N/A
Price Spread
122.5%
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
$433
Median
$1,385
90th Percentile
$4,150
Score Distribution
349 diamonds scored across 4 quality tiers
Excellent
33 (9.5%)
Very Good
62 (17.8%)
Good
90 (25.8%)
Average
164 (47.0%)
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