BELLE EPOQUE AQUAMARINE AND DIAMOND TIARA, CIRCA 1910. Designed as a series of graduated oval aquamarine clusters set with oval- and hexagonal-shaped aquamarines, interspersed with sprays of diamond myrtle leaves, within millegrain borders of circular-, single- and rose-cut diamonds. Part of the estate of Christian, Lady Hesketh. Cartier
The Londonderry Tiara (top) worn by Theresa, Marchioness of Londonderry (L) with enormous pearl spikes and (R) with inset crown frame and upright cross, probably at the Devonshire House Costume Ball of 1897 where her jewellery dazzled everyone.