An aquamarine, diamond and sapphire necklace. Photo Bonhams.

designed as a series of graduated oval-cut aquamarines, spaced by scrolling square-cut diamond and sapphire links, suspending baguette-cut diamond swags; largest aquamarine weighs approximately 3.00 carats; estimated total diamond weight: 13.60 carats; mounted in eighteen karat white gold; length: 16in. Sold for US$ 25,000 (€18,063)

Bonhams. FINE JEWELLERY. New York, 9 Apr 2014www.bonhams.com