1.50 - 1.99ct J SI1 Lab Grown Cushion
As of April 2026, there are 574 lab grown cushion diamonds with J color and SI1 clarity in the 1.50 - 1.99ct range available across retailers worldwide. Prices range from £151 GBP to £69,777 GBP, with an average of £3,327 GBP.
Last updated: April 2026
Available
574
Lowest Price
£151 GBP
Highest Price
£69,777 GBP
Average Price
£3,327 GBP
Market Intelligence
Retailers Selling
13
Cross Retailer %
N/A
Price Spread
1.6%
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
$1,334
Median
$1,572
90th Percentile
$3,243
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%)
Find Your Diamond
Search 574 J SI1 cushion diamonds and compare prices.
Search Diamonds