A diamond-set brooch, ring and earring suite, by Gubelin

A diamond-set brooch, ring and earring suite, by Gubelin
The circular brooch of textured tiered whirl design with brilliant-cut diamond cluster centre, 3.5cm long; the domed ring of similar design, to a textured hoop, finger size K½; and a pair of earrings of similar design, clip fittings, 2.0cm long
Each with Gubelin's maker's mark and no. 9360-66