Help identify the ring

[Sola]

Hi, tell me. What is this stone ? Where and when was this ring created?

[silvermakersmarks]

I have no idea about the stone but your ring has a London sterling silver hallmark for 1964.

Phil

[Sola]

thanks for the answer )
inside the ring, half-erased letters TS

[silvermakersmarks]

TS is the maker, but unfortunately not know to me.

Phil