Is it the Tiffany Bracelet?
Did you buy it at a Tiffany store and do you still have the original receipt?
If you do, just send the buyer a scan of the receipt.
"There are two ways to be fooled. One is to believe what isn't true; the other is to refuse to believe what is true.”
Søren Kierkegaard, Danish philosopher (1813 - 1855)