Excellent ruby diamond entourage ring by Cartier, Paris platinum, marked PT 950, set in the centre with a pigeon blood red ruby of ca. 1.50 ct, entouraged by diamond navettes totalling ca. 1.60 ct (G-H/vvs). Maker's mark. Ref. no. 01837. Weight approx. 6.73 g. Original leather box. Ring set with a pigeon blood red ruby approx. 1,50 ct. and diamonds approx. 1,60 ct. (G-H/vvs), in platinum. Manufacturer's mark. Original box.