RUSSIAN CROWN JEWELS - The Russian Nuptial Tiara worn by all Imperial brides on the day of their weddings. It was made around 1800 by St. Petersburg jeweler Jacob David Duval for Empress Elizabeth Alexeievna, wife of Emperor Alexander I.
Imperial Russian tiara by Bolin Kokoshnik style in gold, with rubies and diamonds. Originally made for Grand Duchess Sophie, wife of Grand Duke Michael Mikhailovich. Later, known as the Milford Haven Tiara, UK.
Diadem/Tiara of the Duchess of Angoulême Marie Thérèse of France. Gold, gilt silver, 40 emeralds and 1031 diamonds. Made in Paris in to match an emerald necklace made by Paul-Nicolas Menière in (Louvre)