Alexandrite and Diamond Cufflinks. Photo courtesy Tiancheng International Auctioneer Limited

Of square design, the face of the cufflinks set with panels of square-cut and circular-cut alexandrites, to the oval-shaped pavé-set diamond back. Mounted in 18 karat white gold. Estimate US$12,000 - 16,000

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/