3.00 - 4.99ct H SI1 Lab Grown Cushion
As of April 2026, there are 249 lab grown cushion diamonds with H color and SI1 clarity in the 3.00 - 4.99ct range available across retailers worldwide. Prices range from ￥29,104 JPY to ￥3,221,642 JPY, with an average of ￥322,547 JPY.
Last updated: April 2026
Available
249
Lowest Price
￥29,104 JPY
Highest Price
￥3,221,642 JPY
Average Price
￥322,547 JPY
Market Intelligence
Retailers Selling
20
Cross Retailer %
N/A
Price Spread
146.4%
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
$264
Median
$479
90th Percentile
$1,787
Score Distribution
249 diamonds scored across 4 quality tiers
Excellent
39 (15.7%)
Very Good
105 (42.2%)
Good
49 (19.7%)
Average
56 (22.5%)
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