A wood, diamond and emerald snake bracelet. Photo Christie's Image Ltd 2013

Designed as a wood and 18k pink gold coiled snake, with a circular-cut diamond head and pear-shaped emerald eyes, mounted in 18k pink gold, size adjustable. Estimate:  $15,000 – $20,000

Christie's. NEW YORK MAGNIFICENT JEWELS AND THE PRINCIE DIAMOND. 16 April 2013. New York, Rockefeller Plaza