Jeff Einstein, tanzanite and diamond pendant necklace, the cushion-shaped plaque, centering a collet-set oval tanzanite weighing approximately 6.57 carats, framed by forty-four pave-set diamonds together weighing approximately 0.56 carats, signed Je for Jeff Einstein, length 440 mm, supported from a fancy mesh link chain, circumference 445 mm, indistinct Italian workshop registration marks. (2)