The Dagmar Necklace, 1863 Given by King Frederick VII of Denmark to Princess Alexandra on her marriage to the Prince of Wales (the future King Edward VII) in 1863. It is set with 118 pearls and 2,000 diamonds. The gold and enamel cross is a replica of the twelfth-century Dagmar Cross
Previously undiscovered photo of undocumented Russian Crown Jewels were discovered in the USGS library in 2012. The photo appear in a 1922 album called "Russian Diamond Fund." This photo, taken in 1925, shows the entire Russian jewelry collection. The four pieces portrayed in the album that do not appear in the later publication include a sapphire and diamond tiara, a sapphire bracelet, an emerald necklace, and a sapphire brooch in the shape of a bow.
QEII in the Crown Ruby Necklace and Ruby Drop Earrings. Queen Victoria commissioned a magnificent necklace of opals surrounded by diamonds with a matching pendant and drop earrings which she later left to the Crown. No fan of opals, Queen Alexandra had them switched for stunning large rubies on the necklace, earrings, and also on the Oriental Circlet Tiara