A 19th century diamond-set tiara

A 19th century diamond-set tiara, converting to a choker necklace, designed as graduated foliate clusters formed with diamond-set scrolls, with detachable tiara frame and two diamond-set detachable extension sections, the centre cushion-shaped diamond weighs approximately 3.50cts, the total diamond weight approximately 58.00cts, 34cm minimum length as a necklace, extension sections each 2cm long, with maroon velvet-lined leather case gilt tooled for Lenchare 38 & 39 Picadilly and Rue de la Paix Paris