0.75 - 0.99ct J SI1 Lab Grown Cushion
As of April 2026, there are 514 lab grown cushion diamonds with J color and SI1 clarity in the 0.75 - 0.99ct range available across retailers worldwide. Prices range from ¥28,657 JPY to ¥4,893,134 JPY, with an average of ¥448,735 JPY.
Last updated: April 2026
Available
514
Lowest Price
¥28,657 JPY
Highest Price
¥4,893,134 JPY
Average Price
¥448,735 JPY
Market Intelligence
Retailers Selling
15
Cross Retailer %
N/A
Price Spread
44.2%
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
$781
Median
$1,404
90th Percentile
$2,416
Score Distribution
514 diamonds scored across 4 quality tiers
Excellent
29 (5.6%)
Very Good
94 (18.3%)
Good
273 (53.1%)
Average
118 (23.0%)
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