David Yurman: Three Gem-Set Pendants and Chain

including a pendant set with a rectangular-shaped fancy cushion-cut amethyst weighing approximately 5.00cts, accented by round diamonds weighing approximately 0.10ct, a square-shaped fancy cushion-cut citrine weighing approximately 5.20cts, and an oval-shaped cabochon-cut chalcedony weighing approximately 6.50cts, surrounded by round diamonds weighing approximately 0.10ct, mounted in sterling silver and 18k gold, necklace length 17 3/4in., signed D.Y.