Ross-Simons - C. 1980 Vintage 3.00ct t. w. Diamond Knot Necklace in 14kt Yellow Gold. 16.5". C. 1980. True luxury lives in this exceptional Estate collection necklace, flaunting an ultra-glamorous knot and loop design that shimmers with 3.00 ct. t. w. round brilliant-cut diamonds. Finely crafted in polished 14kt yellow gold on a luxe omega chain, this magnificent heirloom-quality piece exudes the kind of unique opulence that is remembered forever. Figure 8 safety. Box clasp, diamond knot…