Every Pokemon has an approximate 1/8192 (0.012207%) chance of being shiny. To obtain a shiny Pokemon, you simply have to be very, very lucky.
There are two ways I can suggest of obtaining a shiny Pokemon: encounter around 8200 wild Pokemon and be ready to catch it if one appears, or trade someone for theirs.
To find a shiny stone in platinum you have to dig in the underground tunnel.
there is no such thing as a shiny berry.
same chance to catch a shiny gyarados to catch eny shiny in platinum.
Shiny encounter action replay code for platinum: 12075E52 000046C0.
Luck.
You cant get a shiny eevee on Pokemon platinum unless you have some sort of cheets. NOT TRUE... get a shiny eevee if its the swarm of the day and then just chain them..
...shiny Pokemon are always shiny... ._.
There is a shiny stone at the end of Iron Island.
sadly no ive tried it with a shiny Persian
Pure platinum is a shiny silver-white color.
With a Shiny Stone
There are a few ways that you could get a shiny Deoxys in Pokemon Platinum. One way would be to get someone who has hacked one to trade.