1.00 - 1.49ct E SI1 Lab Grown Cushion
As of April 2026, there are 1,481 lab grown cushion diamonds with E color and SI1 clarity in the 1.00 - 1.49ct range available across retailers worldwide. Prices range from ¥11,821 JPY to ¥2,753,821 JPY, with an average of ¥153,753 JPY.
Last updated: April 2026
Available
1,481
Lowest Price
¥11,821 JPY
Highest Price
¥2,753,821 JPY
Average Price
¥153,753 JPY
Market Intelligence
Retailers Selling
35
Cross Retailer %
N/A
Price Spread
78.7%
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
$273
Median
$464
90th Percentile
$1,120
Score Distribution
1.5K diamonds scored across 4 quality tiers
Excellent
542 (36.6%)
Very Good
403 (27.2%)
Good
314 (21.2%)
Average
222 (15.0%)
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