C. 1980. Instant outfit-makers, every time. From our Estate collection, these ultra-chic 14kt yellow gold earrings feature glowing circles t… C. 1980. Instant outfit-makers, every time. From our Estate collection, these ultra-chic 14kt yellow gold earrings feature glowing circles that form tailored knots. This pair adds sculptural elegance, dimension and panache to any ensemble. Post/clutch, 14kt yellow gold knot earrings. Exclusive, one-of-a-kind Estate Jewelry.