Luxuriate in the 84cm of this Van Cleef & Arpels Long 18K Yellow Gold 20-Motif Black Onyx Vintage Alhambra Necklace that can wrap twice around your swan-like neck! Twenty black onyx clovers are set in 18K yellow gold with a double row of beading on the edges and spaced evenly on the chain necklace that has a hallmarked lobster clasp …