18 ct. yellow gold, marked. In front with one yellow and one blue sapphire in rectangular cut in bezel setting in total approx. over 2 ct. and with 24 diam. in round brillant and carrée cut in pavé and channel setting in total approx. 0,80 - 0,90 ct.G-H.vvs-si. In front w. 12 mm, size 52/53, weight aprpox. 9 g.