I went to the Sigma Kappa website and found the following:
The Legacy division of Herff Jones is the old Masters of design site, and is part of Burr Patterson and Auld, so i put both in here.
Legacy Division of Herff Jones
Sigma Kappa Sorority official and accessory jewelry
800-542-3728
Legacy Division
Burr, Patterson & Auld Company
Accessory jewelry
800-422-4348
Burr Patterson and Auld
Hope this helps