Griffins are very fond of shiny trinkets. That is why Gilda, having accidentally stumbled upon the cursed Ring of Petrification, could not resist the temptation to try it on.
She knew that the magic of such rings was very weak: it affected only a few inches of the body and the effect quickly subsided after removing the ring.
Therefore, Gilda considered such a fitting to be absolutely safe. There's absolutely nothing to worry about, is there?