Try these:
stadium, yard, diamond
diamond
on pearl, its palkia and on diamond, it's dialga
gem, jewel
Mitsubishi emblem refers back to the three diamond theory. Mitsu meaning three bishi meaning diamond put them together three diamond. There are also several other theories what this could mean, but the only true one is the three diamond.
Some famous diamonds include the Hope Diamond, the Koh-i-Noor Diamond, the Cullinan Diamond, and the Regent Diamond. Each of these diamonds is notable for its size, color, clarity, and historical significance.
Diamond and parellogram
Diamond Head, Punchbowl,
in st ann
The names of the Legendaries in Pokemon Diamond are Uxie, Mesprit, Azelf, Dialga, Palkia, Heatran, Regigigas, Giratina, Cresselia, Phione, Manaphy, Darkrai, Shaymin and the rarest of all Legends in Diamond; Arceus.
Yes, Pokemon Diamond and Pearl's region name is Sinnoh Region.
The three starting Pokemon to choose from in Pokemon Diamond are: Chimchar(Fire), Piplup(Water) and Turtwig(Grass).