C. 1960. A sizable statement with such a soft color, this Estate collection pendant necklace features an impressive 125.00 carat rectangular… C. 1960. A sizable statement with such a soft color, this Estate collection pendant necklace features an impressive 125.00 carat rectangular amethyst, carved with a delicate floral design. Above, .25 ct. t.w. round Old European-cut diamonds lend their icy sparkle amid black enamel detailing. Crafted in platinum and suspended from a cable chain. Springring clasp, enamel, diamond and amethyst pendant necklace. Exclusive, one-of-a-kind Estate Jewelry.