Because he can't resist, he dangles it out of her reach for a moment. But then he takes her hand and places it there gently. "I am not very good at getting the spirits to give me what I am asking for -- nowhere near so capable as thou art. But I thought on thee, and tried... a few times. And I hope that this is to thy liking."

In the velvet bag, Susan will find a necklace¹. It is understated, and just the right length to provide a good accent should she be wearing a dress with the appropriate neckline.

^{1: The key difference is that the primary gem is not a garnet, but a star sapphire. This is because the typist could not find an example that matched the desired necklace closely enough.}