Diamond Necklace, by Bulgari. Photo courtesy Tiancheng International Auctioneer Limited

The flexible necklace of lattice open work design, set with diamond-set links, jointed by brilliant-cut diamonds. Diamonds together weighing approximately 30.30 carats. Mounted in 18 karat white gold. Length approximately 35cm, with 6cm adjustable length. Signed Bulgari. Estimate US$110,000 - 130,000

Tiancheng International Auctioneer Limited. SPRING AUCTION 2013 JEWELLERY AND JADEITE. 15 Jun · 3 pm. Hong Kong Headquarters 30/F Bank of China Tower 1 Garden Road, Central Hong Kong http://www.tianchengauction.com/