Where I can buy MC cartridge stylus, stylus only.

I plan to retip my MC cartridge myself. I have the tool and capable of doing the job, just don't know where to buy the diamond stylus.
Please let me know if someone out there know a sourse. Thanks.
See if Soundsmith will sell you a stylus. Very ambitious DYI…good luck.
Which cartridge are you using? What tool does one need to replace a stylus anyway, just curious?