Markings in ring ?

[Stylist2day]

I have a ring it's a south sea pearl 18k .. theres another marking I cant figure out any ideas?

 

[Stylist2day]

???

 

[OoohShiny]

Looks like an illegible squiggle from here TBH - if you know the country/area it was made, there may be a list of hallmarks for the area online somewhere.

 

[marymm]

I can't read it either from the photos either ... OP, have your tried using a loupe or magnifier to read the inscription?