This striking 18K yellow gold brooch features an intricate woven knot design, lavishly set with brilliant-cut diamonds arranged in a geometric lattice pattern. The sculptural form is richly dimensional, offering both sparkle and texture from every angle. Weighing approximately 42.4 grams, the piece showcases superb craftsmanship and bold design typical of luxury mid-century European or American jewelry from the 1960s–1970s. A powerful statement accessory, this brooch reflects the glamour and architectural styling of its era.