A pair of Colombian emerald, diamond, platinum and eighteen karat gold pendant earclips, Hammerman Brothers. Photo Freemans each designed as a cluster of pear-cut and marquise-cut diamonds, suspending a detachable pendant with circular-cut Colombian emeralds;...

Platinum, Diamond and Sapphire Necklace, Hammerman Brothers - photo Sotheby's Of articulated design set with numerous round diamonds weighing approximately 41.25 carats, centered and bordered by rows of cabochon sapphires, internal circumference approximately...

A Delicate Pair of Ruby and Diamond Pendent Earrings by Hammerman Brothers. Photo courtesy Tiancheng International Each designed with two rows of marquise and pear - shaped rubies within a surround of brilliant - cut diamonds. The rubies together weighing...

A Ruby and Diamond Bangle by Hammerman Brothers. Photo courtesy Tiancheng International Designed as a series of diamond shapes, each set with an oval - shaped ruby in the centre surrounded by two rows of brilliant-cut diamonds within an openwork. The...