What type of riding do you do? I'd be comfortable (sort of) with a big, shiny rock on a road ride, but I think I'd leave it at home on a MTB ride.
For me, at least, it all boils down to how active (for lack of a better word) my hands are going to be. I'd hate to knock the diamond off. Yeah, I know, insurance and all that, but still.
MomOnBike (who only wears her ruby to fancy events)
Give big space to the festive dog that make sport in the roadway. Avoid entanglement with your wheel spoke.
(Sign in Japan)
1978 Raleigh Gran Prix
2003 EZ Sport AX