1.00 - 1.49ct G I1 Lab Grown Cushion
As of April 2026, there are 24 lab grown cushion diamonds with G color and I1 clarity in the 1.00 - 1.49ct range available across retailers worldwide. Prices range from £144 GBP to £4,019 GBP, with an average of £1,327 GBP.
Last updated: April 2026
Available
24
Lowest Price
£144 GBP
Highest Price
£4,019 GBP
Average Price
£1,327 GBP
Market Intelligence
Retailers Selling
5
Cross Retailer %
33.3%
Price Spread
54.1%
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
$840
Median
$1,478
90th Percentile
$2,675
Score Distribution
24 diamonds scored across 3 quality tiers
Very Good
4 (16.7%)
Good
10 (41.7%)
Average
10 (41.7%)
Find Your Diamond
Search 24 G I1 cushion diamonds and compare prices.
Search DiamondsConsider Instead
Save money without compromising on what matters. These alternatives are visually similar but cost less.