Santos Dumont ring designed by Cartier. An iconic Santos Dumont ring, created by the jewelry house of Cartier. This elusive ring was crafted in a bold geometric shape in solid white gold of 18 karats with high polished finish. Gemstone: Mount in the center in a flush setting, with 1 flat cabochon cut carved from natural Hawk eye gemstone. Weight: 22.54 grams, (14.45 Dwt). Size: 9 and is sizable. (French size 59) Measurement: The width measure on top is 16 mm (0.63 Inch).  Hallmarks: Stamped with the maker's marks, the serial numbers and signed in full, "CARTIER 59 .750 NW5845". Collateral: It is accompanied by a presentation jewelry box. Condition: The overall condition of this ring is excellent. Beside the little normal wear, there is no damage or trace of wear to the white gold. This piece has been carefully inspected to guarantee the condition and authenticity. INVENTORY REF: R031623MENM/.5418