A diamond aigrette tiara, circa 1902, by Cartier. Designed as a series of eight diamond loops, supporting a pear-shaped diamond, from which an aigrette plumes. This tiara was spotted, minus the feather, at the Coronation of George VI in 1937.
Boucheron Harcourt Tiara. Gold, silver and diamond tiara, the base and top outlined by channel-set diamonds enclosing a continuous line of ribbons, the space between filled with seven emeralds with rectangular cut corners within open oval frames graduated in size towards the back. These are surmounted by groups of collet-set diamonds and supported below by leafy sprays linking the emeralds The emeralds have been replaced. Boucheron, Paris 1900-1913. Go to source for further info.
Fabergé Diamond and Blue Enamel Ribbon Tiara, circa 1911. Diamond, platinum, and gold tiara with the central floral motif within curvilinear frame flanked on each side by acanthus leaf scrolls, supported by a bandeau enamelled ‘en guilloche’ in an opalescent shade of pale blue.
Faberge's Myrtle Leaf tiara, 1906. Made for Huge Grosvenor, Duke of Westminster, as a wedding gift for Lady Mabel Florence Crichton. Designed as two diamond fronds, with circular diamond berries, which meet at the front of the piece. Still with the Westminster Family.