“That’s a big diamond,” Dr. Vincent comments. “Eh, Helga?” Helga drops my hand down on the table, a troubled look on her face. “Yes…” “What’s wrong?” I ask. Helga sighs loudly. “You know I used to be a jeweler, and I am sorry to say this to you, Charly, but this is not a diamond at all. It is what they call cubic zirconium. Fake diamond.”