Art Déco platinum and diamond marquise ring

A fine Art Déco platinum and diamond marquise ring. The surface set with twelve old-cut diamonds on a openwork decoration, chased and set with antique rose-cut diamonds. Total weight of the diamonds  2 carats. French hallmark for platinum, poinçon de maitre. Size 13, resizable. 

Anello Art Déco a marquise in platino con diamanti antichi. La superficie, finemente traforata, incastonata di diamanti taglio vecchia Europa e taglio a Rosetta. Peso complessivo stimato 2 carati circa. Misura 13, modificabile.