What you did is not a re-tip, you’ve got new cantilever, it’s refurbishing job, Peter replaced conventional Aluminum cantilever with more exotic Ruby cantilever.
Re-tip is replacement of the tiny diamond tip on existing cantilever.
Dynavector Micro Reach (or Micro Ridge) diamond is great, not sure why anyone think that Optimized Contour Nude Contact is any better ?
Of course it was better idea to replace the whole cantilever, because the only benefit of the aluminum cantilever and micro ridge combo is the fact that nude diamond goes through the cantilever (pressure fit). Replacing just the needle tip on sch cantilever will ruin the whole principle and will require more complicated job and a lot of glue to fix the diamond.
In this situation you’re getting better Ruby cantilever with equal diamond.
But Dynavector cartridges like DV23RS MR in NOS condition with unique short Ruby Prism cantilever and Micro Ridge stylus available for about $500. And it is not the only alternative to your DV.
For those who prefer refurbished over original it might be ok, i do not belong to this group of people.
Re-tip or Refurbishing is problematic with much more complicated cartridges that already comes with exotic cantilevers and diamonds from the start, sometimes refurbishing is downgrade for such exotic cartridges, because the choice of cantilevers is limited for re-tipper, cartridge manufacturer have exclusive access for their own cantilevers. This is where standard option from SoundSmith and others is not the best solution. Also i’m not sure how compliance issue can be solved.
But anyway, for some average cartridges anyone can ask retipper for better cantilevers or diamonds, the only question is the cost in comparison to the cost of a brand new better (original) cartridge.
A high Output MC cartridges must be compared first to MM or MI if the owner have some limitation on his phono preamp, because even if the SoundSmith system claimed to be a low mass the High Output MC required more coil winding and as a result you have higher moving mass which is not benefit (for Moving Coil system).