A French Art Deco diamond-set platinum pendant clip, of rectangular form, centred with a baguette-shaped diamond, with pavй-set round brilliant-cut and baguette-shaped diamond borders, six further baguette-shaped diamonds to the upper and lower border, with hinged two-prong clip to the reverse, obscured maker's lozenge (possibly initials OP or OD), French import marks, 4.5cm high, on a finely woven black silk band, with a platinum clasp set with six baguette-shaped diamonds