Coloured diamond and diamond pendent necklace. Photo courtesy Tiancheng International Auctioneer Limited

Suspending to the front with seven variously-cut coloured diamonds, each within circular-cut diamond surround, linked by four round coloured diamonds, completed by an 18 karat white gold neckchain. Mounted in 18 karat white gold. Length approximately 41.2cm. Estimate US$65,000 - 90,000

Accompanied by GIA report numbered 13654401 dated 12 October 2004, stating that the pear-shaped modified brilliant-cut 2.45 carat diamond is natural, of Fancy dark gray-yellowish green colour. Also, accompanied by GIA report numbered 13458285 dated 26 October 2004, stating that the modified heart-shaped brilliant-cut 3.45 carat diamond is natural, of Fancy Deep Brownish Orangy Yellow colour.

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/