1.00 - 1.49ct I SI1 Lab Grown Cushion
As of April 2026, there are 349 lab grown cushion diamonds with I color and SI1 clarity in the 1.00 - 1.49ct range available across retailers worldwide. Prices range from $332 NZD to $190,258 NZD, with an average of $7,290 NZD.
Last updated: April 2026
Available
349
Lowest Price
$332 NZD
Highest Price
$190,258 NZD
Average Price
$7,290 NZD
Market Intelligence
Retailers Selling
18
Cross Retailer %
N/A
Price Spread
122.5%
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
$433
Median
$1,385
90th Percentile
$4,150
Score Distribution
349 diamonds scored across 4 quality tiers
Excellent
33 (9.5%)
Very Good
61 (17.5%)
Good
90 (25.8%)
Average
165 (47.3%)
Find Your Diamond
Search 349 I SI1 cushion diamonds and compare prices.
Search Diamonds