An antique sapphire jewel found in the Dowager Empress Maria Feodorovna's private apartments in the Anichkov Palace. It weighs 260 carats and is set in a typical Russian mounting encircled by 18 diamonds weighing 50 carats. Source: The Jewels of the Romanovs, by Stefano Papi. Queen, Crowns, Vintage, Metal, Royals, Royal Jewels, Royal Crown Jewels, Royal Jewelry, Royal Crowns