5.00ct+ J SI1 Lab Grown Cushion
As of April 2026, there are 574 lab grown cushion diamonds with J color and SI1 clarity in the 5.00ct+ range available across retailers worldwide. Prices range from $295 AUD to $136,334 AUD, with an average of $6,501 AUD.
Last updated: April 2026
Available
574
Lowest Price
$295 AUD
Highest Price
$136,334 AUD
Average Price
$6,501 AUD
Score Distribution
574 diamonds scored across 4 quality tiers
Excellent
29 (5.1%)
Very Good
46 (8.0%)
Good
296 (51.6%)
Average
203 (35.4%)
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