Jules has seen that diamond shape before. Garren made it in the sand with bits of the glass Jules had been trying to create. The dagger Garren had made at the same time had been for him. While he didn't know what the diamond was, he could take a wild guess.

"The dagger was for me. Is the diamond Tachibana?"

((Sorry this took so long! Swim team is eating me alive, and my brain is so not cooperating with responses.))