No.
You can magnetize a paper clip by passing it repeatedly over a large magnet.
You cannot magnetize a permanent magnet because it is already magnetized.
magnetize
never
No
magnetize
No its not a metal.
No. There is no metal in a diamond to magnetize.
pee on it
You can magnetize them by placing them near the magnetic field of a metal, this magnetizes them Another way to magnetize a ferromagnet it to wrap a insulated live wire around it, letting each end of the wire touch a + or - side of a bettery. This produces an electromagnet, and it can be turned on or off.
Whenever I get a new screwdriver, I always magnetize it right away. It is wikdely rumored that a potent electrical charge can magnetize certain metals.