Art Deco ring steps white gold platinum diamonds 0.15 ct

Old white gold ring with brilliant-cut diamonds Art-Deco stepped ring in 18k (750°/°°) white gold and platinum set in its center with a brilliant-cut diamond weighing approximately 0.15 carats in an entourage of rose-cut diamonds. Pattern dimensions: 7.7 x 12 mm. Presence of the eagle's head hallmark for 18-carat gold and the dog's head hallmark for platinum and traces of the manufacturer's hallmark. French work from the 1920s. Finger size 52, sizing possible Gross weight: 2.16 grams