70s tortoiseshell lucite pavé knot collar necklacea sculptural 1970s collar necklace in marbled tortoiseshell lucite, finished with a rhinestone pav knot centerpiece. the warm amber translucence gives it that classic vintage resin glow, while the dotted crystal detail reads high impact and evening ready. the open collar style sits beautifully at the base of the neck and instantly sharpens simple looks. style it with a crisp button down, a slip dress, or a clean tank to let the silhouette do the work.