A Chaumet diamond ornament forming a tiara, Bandeau, epaulettes, Devant de corsage, two brooches, collar, pendant and bracelet, the fittings comprising twelve diamond oval openwork links with diamond cluster connections, a diamond openwork circular central panel, and a tiara frame in a fitted case with various alternative mounts and appropriate tools, together with original manuscript instructions for alternative assemblies and original art-work, the case stamped J. Chaumet, some minor fittings deficient and later brooch fitting applied.