3.00 - 4.99ct I SI1 Lab Grown Cushion
As of April 2026, there are 301 lab grown cushion diamonds with I color and SI1 clarity in the 3.00 - 4.99ct range available across retailers worldwide. Prices range from $332 NZD to $32,019 NZD, with an average of $4,252 NZD.
Last updated: April 2026
Available
301
Lowest Price
$332 NZD
Highest Price
$32,019 NZD
Average Price
$4,252 NZD
Market Intelligence
Retailers Selling
20
Cross Retailer %
N/A
Price Spread
149.2%
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
$269
Median
$530
90th Percentile
$2,866
Score Distribution
301 diamonds scored across 4 quality tiers
Excellent
32 (10.6%)
Very Good
86 (28.6%)
Good
67 (22.3%)
Average
116 (38.5%)
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