A sapphire and diamond ring by Cartier

A sapphire and diamond ring by Cartier, the octagonal step-cut yellow sapphire weighs 13.34cts and is set in yellow gold and platinum, signed Cartier, six round brilliant-cut diamonds to each shoulder, size L, Cartier box

Accompanied by report number 101589 dated 14 August 2018 from SSEF stating that the yellow sapphire is natural and with no indications of heat treatment. Origin: Ceylon (Sri Lanka)