Cartier, 18ct white gold, diamond and gem-set 'Panthere Tassel' necklace, styled as a panther head with emerald set eyes, round brilliant-cut diamond and black onyx set collar suspending six tassels, some detailed with further brilliant-cut diamonds, signed Cartier and numbered 92819B, length approximately 78 mm, to a black silk cord with adjustable white gold slide, signed Cartier, length approximately 660 mm adjustable, accompanied by Cartier certificate and box.