Tiffany & Co, pair of 18ct gold, platinum, diamond and onyx earrings, 1985, each earring centring a round onyx cut en cabochon, within a border of twelve round brilliant-cut diamonds together weighing approximately 0.28 carats, spaced by gold 'X' motifs, signed Tiffany & Co 1985, to post and clip fittings, diameter 18 mm.