19th century guliano london negligee brooch enamel turquoise ruby 18 Karat White Gold, Turquoise and Diamond Brooch, Van Cleef &...

18 Karat Gold, Platinum, Amethyst, Diamond, Coral and Enamel Cuff-Bracelet, David Webb 18 Karat White Gold, Pink Tourmaline, Iolite ...

Pair of diamond earclips, 1960s. A pair of 18 karat gold and diamond "Bowknot" earclips by Verdura, 1985. A pair of 18...

An 18 karat gold and citrine brooch by Michele della Valle.  An 18 karat gold, mother-of-pearl, coral and onyx brooch by Cartier,  Par...