A diamond necklace, by Bulgari. Estimate CHF40,000 – CHF50,000 ($40,659 - $50,824). Photo Christie's Image Ltd 2015

Designed as alternated baguette and circular-cut diamond line links, suspending a graduated fringe of diamond-set palmettes, 41.2 cm, mounted in gold, in dark blue leather Bulgari pouch. Signed Bvlgari 

The property of a private collector

A diamond brooch, by Bulgari. Estimate CHF8,000 – CHF10,000 ($8,132 - $10,165). Photo Christie's Image Ltd 2015

Of abstract scroll design, set with circular-cut diamonds, 6.3 cm, mounted in gold. Signed Bvlgari 

The property of a private collector

A diamond bracelet, by Bulgari. Estimate CHF20,000 – CHF30,000 ($20,330 - $30,494). Photo Christie's Image Ltd 2015

The articulated fringe of leaf-shaped links set with circular-cut diamonds, alternating with baguette and circular-cut diamonds spacers, 18.8 cm, mounted in gold. Signed Bvlgari 

The property of a private collector.

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