3.00 to 4.99ct E SI1 Lab Grown Cushion
Last updated: September 2026
Available
273
Lowest Price
£191 GBP
Highest Price
£28,050 GBP
Average Price
£1,459 GBP
Market Intelligence
Retailers Selling
30
Price Spread
171.7%
Price Range
Price per carat distribution across retailers
10th Percentile
$198
Median
$388
90th Percentile
$1,317
Score Distribution
273 diamonds scored across 4 quality tiers
Excellent
48 (17.6%)
Very Good
62 (22.7%)
Good
38 (13.9%)
Average
125 (45.8%)
Find Your Diamond
Search 273 E SI1 cushion diamonds and compare prices.
Search Diamonds