A pair of jade, diamond and gold ear pendants, by Buccellati. Photo Christie's Image Ltd 2013 

Each suspending a detachable pendant, set with an articulated carved jade plaque within a collet-set diamond and sculpted 18k gold surround, to the single-cut diamond and gold surmount of foliate design, mounted in 18k white and yellow gold, in a Buccellati gray leather case. Signed Buccellati, Italy. Estimate: $12,000 – $18,000

Christie's. MAGNIFICENT JEWELS. 10 December 2013. New York, Rockefeller Plaza -www.christies.com