Vintage cocktail ring in gold and blue stone

Cocktail ring in 18-carat (750°/°°) gold set in its center with a probably synthetic blue spinel stone weighing approximately 8 carats. French work from the 1960s. Presence of the eagle's head hallmark for 18 carat gold and the manufacturer's hallmark.

Finger size 56
Gross weight: 12.26 grams