1.00 to 1.49ct I SI1 Lab Grown Cushion
Last updated: June 2026
Available
380
Lowest Price
$291 CAD
Highest Price
$154,263 CAD
Average Price
$7,083 CAD
Market Intelligence
Retailers Selling
17
Cross Retailer %
N/A
Price Spread
98.8%
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
$488
Median
$1,336
90th Percentile
$4,125
Score Distribution
380 diamonds scored across 4 quality tiers
Excellent
10 (2.6%)
Very Good
81 (21.3%)
Good
143 (37.6%)
Average
146 (38.4%)
Find Your Diamond
Search 380 I SI1 cushion diamonds and compare prices.
Search Diamonds