Around 1990. 18 ct. yellow and white gold, marked, MM indistinctly. Bangle shaped necklace with open frontside, in bezel setting one oval sapphire (approx. 4,80 ct. with approx. 9,2 x 7,8 x 6,1 mm) and one oval emerald in cabochon cut (approx. 3,70 ct. with approx. 9,8 x 8 x 6,5 mm) and also with 16 diam. in carré cut in channel setting in total approx. 1,20 ct. G.vvs-vs. W. in front 17 mm, w. 14 mm, insie measurements approx. 12,4 x 10,4 mm, weight approx. 139 g.