The Duchess of York (later Queen Mary) wears her parure of amethyst jewels, including a necklace, tiara, and brooch, for a formal portrait, ca. 1893; more on the necklace, which was most recently seen on Anna Wintour, over here!

Queen Mary of the United Kingdom wears the necklace and jewels from the Delhi Durbar Parure (stacked with several other necklaces) in a formal portrait, ca. 1913; more on the necklace over here!

The Princess of Wales (later Queen Mary) wears the Love Trophy Collar (with the Iveagh Tiara and the Dorset Bow Brooch) in a photographic portrait taken by Alice Hughes, ca. 1905; more on the necklace over here!