It is held in Dorian's fingers, not hers. So perhaps Gilgamesh cannot sense her distress. He hopes that he cannot, that he cannot have the pleasure of this, that Hermione's pain gives no one satisfaction.

Yet still he reaches to her, covers her hand in his. "I won't insist that you do. If you can't bear to wear it, then I'll ask Gilgamesh how he made it and have a second made for you. As long as you're protected."