C. 1980. A curve of vibrant color washes over our Estate collection ring, featuring 3.05 ct. t.w. marquise gems of citrine, garnet, peridot,… C. 1980. A curve of vibrant color washes over our Estate collection ring, featuring 3.05 ct. t.w. marquise gems of citrine, garnet, peridot, sky blue topaz and amethyst. Crafted in polished 14kt yellow gold. 3/8" wide. Multi-gemstone ring. Exclusive, one-of-a-kind Estate Jewelry.