"Antique Green French Ring"
Antique ring known as Bague à la Française or Parisienne: fine ring in 750/°°° yellow gold with a central motif forming a flower set with round green stones on a paillon supported by stamped gold florets. First half of the 19th century. Finger size (modifiable to a certain extent): 55. Gross weight: 1.40 g. 
Le Magazine de PROANTIC
TRÉSORS Magazine
Rivista Artiquariato