The Cullinan I white diamond, cut from the largest gem quality diamond ever found. It was set in the British royal scepter and is currently in the London Tower with the other jewels of the British crown.
The Orlov Diamond (Catherine the Great’s crown jewel) The Armory at the Moscow Kremlin is home to Catherine the Great’s imperial scepter, which is set with a huge, green-tinted diamond, with 180 facets and a weight of carats.
This undated image made available by the Royal Collection shows the South Africa Necklace and Bracelet, part of a exhibition of royal gems being staged to mark the Queen's reign at the Queen's gallery, Buckingham Palace.
Assistant Curator at the Tower of London, Anna Keay, holds the century crown of Margaret of York. The crown left England in 1468 and is one of only two English Medieval crowns that survived the Civil War and is now kept in Aachen Cathedral in Germany