Is that an engagement ring on Genevieve's finger?

This seems to be an engagement ring in the middle finger of the highly secretive Nollywood's screen goddess, Genevieve Nnaji.
The 34 year old actress posted this picture on her instagram page.You can check it out yourself, her handle is 'genevievennaji'.
It would be recalled that sometime ago,Ms Nnaji posted a picture of herself on her Instagram page that depicts her wearing an engagement ring.
This seems to the latest of her showing another engagement ring.
Or is this just a mere fancy ring?