0.20 - 0.49ct I SI2 Lab Grown Cushion
As of April 2026, there are 139 lab grown cushion diamonds with I color and SI2 clarity in the 0.20 - 0.49ct range available across retailers worldwide. Prices range from ¥27,124 JPY to ¥14,220,378 JPY, with an average of ¥778,100 JPY.
Last updated: April 2026
Available
139
Lowest Price
¥27,124 JPY
Highest Price
¥14,220,378 JPY
Average Price
¥778,100 JPY
Market Intelligence
Retailers Selling
9
Cross Retailer %
N/A
Price Spread
33.8%
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
$578
Median
$1,016
90th Percentile
$1,426
Score Distribution
139 diamonds scored across 4 quality tiers
Excellent
5 (3.6%)
Very Good
26 (18.7%)
Good
27 (19.4%)
Average
81 (58.3%)
Find Your Diamond
Search 139 I SI2 cushion diamonds and compare prices.
Search Diamonds