Originally Posted by svt_gEEk
Wasn't the diamond, it was the 18k gold prongs. Soft metal. There's no possible way it could have been the diamond due to the type of setting it is in.
Gold has a hardness of 2.5 on the Moh's scale, and plain normal glass 5.5... Its impossible for gold to scratch gorilla glass it unless its not really gold or the amount of gold in the alloy is really low. You sure that you weren't ripped off when you bought the ring?