C. 1960. Opulent, intricate and rare, this Estate collection necklace is sure to be marveled over. All four sides of the pendant are bejewel… C. 1960. Opulent, intricate and rare, this Estate collection necklace is sure to be marveled over. All four sides of the pendant are bejeweled with oval amethysts, totaling 8.40 carats, and fancy roped detailing. Crafted in 18kt yellow gold. Suspends from a 14kt yellow gold rope chain. Lobster clasp, amethyst fancy pendant necklace. Exclusive, one-of-a-kind Estate Jewelry.