Edwardian diamond, pearl and platinum pendant necklace composed of a diamond and seed pearl wreath centred by a collet-set old-cut diamond weighing approximately 0.35 carat to a pennanular openwork frame enclosed by millegrain- and pavé-set diamond borders, the frame enclosing an arc of pearls suspending collet-set diamond and pearl drops, to a later fine link chain with bolt-ring, formerly brooch fitting,replacements,length approximately 415mm