Paolo Costagli, a pair of amethyst and tourmaline earrings, each set with a cushion-shaped pink tourmaline suspending an oval-shaped amethyst, the mount embellished with round brilliant-cut diamonds, amethyst and tourmaline total weight 21.85 and 10.89 carats respectively, estimated total diamond weight 0.26 carats, signed Costagli New York, mounted in gold, length 3.40 cm.