Mauboussin NADIA Silvery

Mauboussin ring years 90, Vintage, in grey gold 750 (18K), model Nadia, set with a central rubellite supported by white mother-of-pearl.
Hallmarks: MAUBOUSSIN Paris frame, gold 750, number A3179 inside + eagle and goldsmith's head hallmark on the outside of the ring
Ring size: 52
Dimensions: 15 mm wide
gross weight : 17 Gr
dimensions of the rubellite: 10,8 mm x 9,3 mm x 6,4 mm approximately, i.e. more than 4 carat (IR: 1,620)
Condition: Very good condition, some micro scratches / chips on the stone
in its box and outer box