Orientalist ring In 18K (750) yellow gold and silver, set with an oval emerald in the centre of a diamond-shaped motif set with rose-cut diamonds, punctuated with four small rubies. hallmark: none finger size : 54 1/2 (US : 7 ) diamond, estimated total weight: 0.55 ct approx. emerald, estimated total weight: 0.60 ct approx. ruby, estimated total weight: approx. 0.20 ct weight: 4.5 g