C. 1980. From our Estate collection, these sophisticated 1.10 ct. t.w. rectangular emerald-cut amethyst earrings offer a subtle, tailored wa… C. 1980. From our Estate collection, these sophisticated 1.10 ct. t.w. rectangular emerald-cut amethyst earrings offer a subtle, tailored way to wear color. Classic .24 ct. t.w. round diamonds frame the purple gems, all set in polished 14kt yellow gold. Post/clutch, diamond and amethyst earrings. Exclusive, one-of-a-kind Estate Jewelry.