Wishlist Product W.A. Bolin 1960s 18k white gold and diamond ‘zig-zag / chevron’ bracelet. 1970s Bvlgari emerald, sapphire and diamond 18k Yellow Gold "slave" bracelet Georges Lenfant bracelet, Paris circa 1970. Antique Belle Epoque 25 carat natural amethyst bracelet 1970s Van Cleef & Arpels bracelet in ebony, 18K yellow and rose gold