C. 1990. Looking every bit like a designer find, these fetching curved earrings from our Estate collection deliver a dazzling, high-end aura… C. 1990. Looking every bit like a designer find, these fetching curved earrings from our Estate collection deliver a dazzling, high-end aura. Striking 5.20 ct. t.w. rectangular Swiss blue topaz gems radiate gorgeous clear-water sparkle, while classic round brilliant-cut diamonds add a fiery glow. Finely crafted in polished 10kt yellow gold. Post/clutch, Swiss blue topaz curved earrings. Exclusive, one-of-a-kind Estate Jewelry.