An emerald and diamond pendant necklace by William Goldberg. Photo Christie's Image Ltd 2014 Suspending a modified cushion-cut emerald, weighing approximately 33.46 carats, enhanced by twelve Ashoka-cut diamonds, from a baguette and circular-cut diamond...

An emerald and diamond pendant necklace. Photo: Bonhams. The pendant set with a central cut-cornered step-cut emerald in a surround of brilliant and marquise-cut diamonds and circular-cut emeralds, with a tapered baguette-cut diamond surmount, on an articulated...