Vintage braided necklace in 2 tones of gold and diamonds

An 18k (750°/°°) yellow and white gold necklace made of braided gold threads. In the center of the necklace, the white gold part is set with small diamonds cut in 8x8. This necklace was purchased from Bucherer in Lugano in the 1980s, there is a trace of signature on the clasp, probably that of the jeweler Meister. Swiss work from the 1980s. Presence of the 750 hallmark for 18 carat gold and presence of a manufacturer's hallmark. Necklace length: 41.5 cm Maximum necklace width: 7 mm Gross weight: 68.86 grams