Coral, Diamond and Jadeite necklace. Photo courtesy Tiancheng International Auctioneer Limited

Composed of fifteen oxblood red coloured coral cabochons, suspending to the front two coral cabochons framed with circular-cut diamonds, surmounted by the necklace set with thirteen coral cabochons and diamond-set swirls, highlighted with green jadeite cabochons, completed to the back a semi-flexible swirl motif white gold chain. Mounted in 18 karat white gold. Length approximately 48cm. Estimate US$36,000 - 49,000

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/