Early 20th century Belle Époque diamond tiara, the principal old round brilliant cut diamond weighing approx 0.45 carat, measuring approx 4.77 x 4.47 x 3.53mm, assessed clarity SI2, assessed colour H-I, rubover millegrain settings, white metal mount, total of 145 diamonds, total diamond weight assessed approx 4.0 carats, graduated old cut, old round brilliant, rose cut and old single and eight cut diamonds, assessed clarities SI-I, assessed colours H-M, grain, rubover and knife edge settings, millegrain detailing, white metal unmarked band assessed as platinum, the tiara formed of three detachable sections, white metal fine chain link necklace attachments, the clips each set with three small old cut diamonds, tongue and box clasp, weight of tiara 23.2g gross approx, weight of chain 4.4g gross approx, with screwdriver to detach components, sold with a certificate of valuation from Klepner’s Fine Antique Jewellery and Valuers, dated March 2013, see additional images