The Jewels Ruby's Father made

The jewels that Ruby's father made.

Ruby's Father (ルビーの父さん, Rubī no Tōsan) is a jewellery designer and is the one who created the jewellery's for the mother of Dan Mitsuishi but killed himself because he couldn't sully the Marie Antoinette. His jewellery is stolen by his daughter Ruby Jones because she wants to hold them in memories of him.