The diamond, the Lustrous Orb, and the Griseous Orb were legendary gems that symbolized Dialga, Palkia, and Giratina. According to one account, something could serve as a catalyst when summoning the three bodies to Mount Coronet, but naturally, the stones used as catalysts had to be exceptionally pure and blessed by Dialga, Palkia, and Giratina.
Of course, the stones Kaim had given Steven could not serve as catalysts. Diamond gems, White Gems, and platinum gems could be collected in the Sinnoh Region. In other words, even the other gems available there were worth collecting by comparison. That was why Cynthia was curious about when Kaim had gone there.
"I dug them up with Kota."
"Kota, the Gym Leader?"
"Yes. I had a chance to talk to him after becoming a substitute. I dug them up while you were attending the conference in Alamos Town."
"So you were doing that while I was at school."
I had decided that the final challenge in Saba Town would be Metagross. That was why I had asked Daigo to tell me in advance. Still, even though we were close friends, simply asking for a favor felt wrong, so he had asked Kota to let him do some underground mining. Since they did it after the evening Gym session, it was quite difficult for Kaim, who was unused to it, but he had managed to mine the stone he wanted.
"Incredible. For some reason, this diamond can only be mined in the Sinnoh Region. I was interested in it too, but I never had a chance to visit Sinnoh, so I couldn't get one. I never expected you to bring me one, Kaim."
"You've helped me in all sorts of ways."
"No, no, I'm the one who owes you. With that in mind, of course