A set of ruby and diamond jewellery, by Buccellati. Estimate CHF80,000 – CHF120,000 ($81,318 - $121,978). Photo Christie's Image Ltd 2015

Comprising a slightly graduated bi-colour necklace, set throughout with circular-cut diamonds in textured collets, the front applied with seven oval-shaped ruby collets, a pair of earrings and a ring en suite, necklace 39.4 cm, ring size 5½, earrings 5.4 cm, mounted in gold, in blue leather Mario Buccellati case. Signed M. Buccellati (3)

The property of an Italian private collector  

Christie's. GENEVA MAGNIFICENT JEWELS, 10 November 2015, Geneva