A ‘Diamonds by the Yard’ bracelet and a ‘Color by the Yard’ bracelet by Elsa Peretti for Tiffany & Co., the first set with brilliant-cut diamonds, mounted in 18ct gold, the second set with circular-cut aquamarines, first signed ‘T&Co.’, UK hallmark, second signed ‘TIFFANY & CO.’, stamped ‘925’, both signed ‘PERETTI’, total diamond weight approximately 0.50 carat, lengths 16.5cm and 20cm. £300-£500