1.00 - 1.49ct J SI1 Lab Grown Cushion
As of April 2026, there are 514 lab grown cushion diamonds with J color and SI1 clarity in the 1.00 - 1.49ct range available across retailers worldwide. Prices range from $320 NZD to $54,640 NZD, with an average of $5,011 NZD.
Last updated: April 2026
Available
514
Lowest Price
$320 NZD
Highest Price
$54,640 NZD
Average Price
$5,011 NZD
Market Intelligence
Retailers Selling
15
Cross Retailer %
N/A
Price Spread
9.6%
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
$1,135
Median
$1,446
90th Percentile
$2,409
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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