A diamond ribbon tiara, circa 1914, at the end of the belle epoque and stylistically right on the cusp of art deco. Designed as three scrolling ribbons, the middle of which supports a trio of circular diamonds. Possibly auctioned by Sotheby's in 1990s.
MVW Hurrem Sultan Tiara by Chop Zuey Couture Jewellery. Tiara in emerald cabachon, onyx, garnet, diamond, pearl and topaz in gold.
Diamonds in the Library: Amazing Art Deco tiara by Cartier. - http://www.oroscopointernazionaleblog.com/diamonds-in-the-library-amazing-art-deco-tiara-by-cartier/
A petite diamond Faberge tiara, circa 1900, previously owned by Jackie Kennedy Onassis, and put up for sale after her death. Designed as a series of eleven circular diamonds, interspersed with rectamgular diamond motifs, and raised on a gold band.
A BELLE EPOQUE DIAMOND AND PEARL TIARA Designed as three rose-cut diamond-set bows connected by rose-cut diamond-set garlands to a fine pearl line, mounted in silver and gold, circa 1910