Miss Wisteria. Right, so she was related to a plant. Erik knew better than to trust people related to or even remotely connected to plants, so he was going to be keeping his eye on this one. What if she was man-eating?

He focused instead on the Gryffindor, whom he knew and actually liked, since she was doing all the talking. "I do own fine things," Erik replied, with some caution, "but I'm not sure I vould know the value of a gemstone." He wasn't a jeweller, even if he did know how to pick out nice jewellery. Ahem.

"Vhy don't you have a seat?" Erik gestured toward the blue-green comfortable couch, while he himself retreated to his desk chair.