Ouch. Don't mean to hit you while you're down, but why woud you make a 7000 dollar jewerly purchase from anyone but your trusted jeweler?
From the sounds of things you weren't a cruise passenger. If you were able to go back the next day, why didn't you just wait until morning?
Thanks for sharing you expensive lesson wih us.
If you loved the ring when you thought it was a higher quality, why not just continue to love it.? After all, it is a token of what I hope was a great vacation, and clearly you had the ability to buy it and it must have caught your eye.