If you have lost your certificate, need to move servers or had a problem with the installation then it may be possible to re-issue your certificate at no extra charge providing the common name remains exactly the same.
The site seal is only available if you have purchased the Premium Version of the Geotrust Anti-Malware Scan.
If your purchase a QuickSSL Premium certificate you are able to install the Smart Site Seal on your website.
How to complete DNS authentication for RapidSSL, Geotrust or Thawte orders