850°°° platinum ring set with six old-cut or rose-cut diamonds, the two main ones weighing just under 1 ct each, in a setting of thirty-one calibrated sapphires. Circa 1910. Size of the two main diamonds: 6.5 x 5.7 x 4 and 6.7 x 5.5 x 3.9 mm Estimated total weight of diamonds / sapphires: 2.40 / 0.60 ct Finger size : 55 Gross weight : 5,3 g Perfect condition, one sapphire missing, slight deformations.