I ordered a charm bracelet for my wife for mothers...

I ordered a charm bracelet for my wife for mothers day this bracelet comes with 6 birthstone heart charms and 6 birthstone rondelles. I mistakenly only added 5 names and placed order. I call on 2 occassions to try and get the 6th charm and rondelle added to order and was told item is at vendor nothing they could do, I asked if they could contact vendor or give me the vendor info and they said they dont have vendor info.very dissatisfied have been a long time customer but think from now on I'll look somewhere else.