A diamond ring, 'Happy Spirit', Chopard, and a pair of diamond earrings, the ring of circular

A diamond ring, 'Happy Spirit', Chopard, and a pair of diamond earrings, the ring of circular outline with a glazed compartment containing freely moving concentric rings set with brilliant-cut diamonds, mounted in gold, the exterior inscribed 'HAPPY SPIRIT', size L, signed Chopard, numbered 82/5425/0-20 and 3010747, stamped 750; and a pair of earrings of similar design, length 2.3cm each, clip and post fittings, unsigned, stamped 18K