Extremely bad service!!!!!!!!!!

There are no words to describe how extermeley livid I am!!!! Myself and my husband bought our wedding rings at Sterns in Tygervalley, I was then told I can insure my ring... Got my ring certificate, went back on an off day from work and went to fill in the necessary documentation. The young lady then said she will submit the forms I don't have to stress and gave me a copy off the forms (WHICH I STILL HAVE). Months later my account was still not debited, went in store, WARREN the store manager at the time assured me, "no ma'am, as long as you've filled in the forms your rings are covered, don't worry about the debit orders", didn't even give me time to ask the questions I wanted to ask, he seemed to just want to get rid of me, went back several times, the lady always said the phone keeps on ringing when she calls to enquire... Gave them time, called the store a few months later , only to find out WARREN is now working at AMERICAN SWISS in Canal walk, called there, apparently he was on leave, another guy helped me and said he checked, my ring was never insured!!!!!!!!!!!!!!!!!!! How the hell is this possible!!!!!!!!!!!! I was promised Warren would call me back when he comes from leave but still nothing!!!!! I'm furious, is this the type of service you offer your customers????!!!! I need answers!!!!!!!!! Why is my ring not COVERED????!!!!!!!