Synthetics (owned and/or tested)
1k —> Chosera, Sigma Select ii, Nano Hone
2k —> Shapton Glass
3k —> Sigma Select ii, Nano Hone, Chosera
4k —> Naniwa “Hayabusa”
6k —> Nano Hone, Sigma Select ii
8k —> Kitayama, Naniwa “Snow White” & “Fuji”
16k -> Shapton Glass
30k -> Shapton “Murasaki”

Prior to 2019 my equipment was solely focused on knives. Since I’ve started focusing more on razors I’ve switched out a few things and tried a few others.

My favorites I’d recommend for razors are:
Shapton Glass Series
Snow White
Nano Hone Series

The Nano Hone are interesting and relatively new. Have not seen many razor folks talking about them, likely because the usual commonly recommended stones perform so well.

My overall and absolutely favorite stone for razors is the Snow White. Hate it for my knives- Kitayama gets the nod for knives. But for razors SW is really versatile and easy to use.

I most enjoy working with JNATs, so I spend the vast majority of my honing time away from synthetics. Therefore my recommendations are influenced by that preference. I rarely use any synths under 8k.

Final thought: once you settle on something, options and alternatives don’t matter. What you have is what’s important because that’s what you’ll learn and that’s what you’ll know. If you heed the advice offered on this forum, many recommended stones are comparable as well as effective.