Date: From 28.4.2013 To 1.5.2013
28th: Invitation only
29th-1st: Open for Public
Time: 8:30pm onwards
Address: Nayyara Banqueting and Convention Centre, Riyadh - Saudi Arabia
Google Maps Link: http://goo.gl/maps/vudQX
Sponsor: Nayyara Banqueting and Conferences Company
Phone: 00966 1 4806655
Fax: 00966 1 4806969
I will share my feedback after visiting it.
Update (29-04-2013): Luckily we got the invite and thus we were able to visit it on 1st day. It has many grand stuff available on display, if you are rich and you want to spend a lot of money on a wedding then the relevant stuff is available here.