My favourite canon ones are Kenobi's episode 3 and 4 lightsaber, Ahsoka's from season 7 and Cal Kestis's lightsaber. I tend to not like the glossy, chrome finished sabres as much as the dull, burnt metal looking ones.
Also do you think Star Wars in general should get more creative with saber hilt designs? I think a lot of the fan made ones are more than canon worthy.
Of course there are far more but you guys probably known them all anyway.
Here are some random designs I found that I really like:
