5.00ct+ J SI2 Lab Grown Cushion
As of April 2026, there are 176 lab grown cushion diamonds with J color and SI2 clarity in the 5.00ct+ range available across retailers worldwide. Prices range from £136 GBP to £68,424 GBP, with an average of £7,670 GBP.
Last updated: April 2026
Available
176
Lowest Price
£136 GBP
Highest Price
£68,424 GBP
Average Price
£7,670 GBP
Market Intelligence
Retailers Selling
2
Cross Retailer %
N/A
Price Spread
9.1%
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
$11,039
Median
$12,093
90th Percentile
$13,531
Score Distribution
176 diamonds scored across 4 quality tiers
Excellent
6 (3.4%)
Very Good
28 (15.9%)
Good
54 (30.7%)
Average
88 (50.0%)
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