Bidspirit auction | 2-piece ring set consisting of

2-piece ring set consisting of a Niessing - 2-piece ring set consisting of a Niessing tension ring in steel with a 0.08 ct W/VS-SI brilliant-cut diamond and a 0.05 ct Fancy Blue/VS-SI brilliant-cut diamond, W. 11.5 mm, size 62, marked Niessing, 13.9 g, and a 925/000 silver ruby ring with a 2.4 mm, W. 11 mm, size 58, 15.1 g