What is the difference between a Premium Extended Validation (EV) Certificate and a Deluxe SSL Certificate?

The main difference between Premium Extended Validation (EV) and Deluxe SSL certificates is the vetting process that must be completed in order for the Certification Authority (CA) to issue a signed certificate to the requestor. Additionally, websites secured with Premium Extended Validation (EV) certificates will be displayed differently in modern browsers, highlighting a portion of the address bar in green.