The edges of facets -- where facets meet would be called by a geometric name: angle.
You can read more about the names of cuts and their component faces/ facets, below.
There is no diamond corner
You can not buy Pokemon from the game corner in Pokemon diamond, but you can in heartgold and soulsilver
The game corner's in Veilstone City.
Facets
Black
the top left hand corner of goldenrod city he is in a tent
You have to look for them in Pokemon Diamond. you have to look around the corner of the shop.
a square, rectangle, diamond..........
in the last bottom right corner
He is in the lighthouse at the southeast corner of the city
can have any no depending on how its cut
To get a master ball in Pokemon Diamond you have to beat Cyrus. You can also get one in the game corner.