Tiara v. Tiara, amethyst version: Which is the more dazzling, Norway’s Amethyst Parure or Sweden’s Napoleonic Parure?

Norway’s tiara (R in slide 1) was gifted by King Harald to Queen Sonja in 1997, provenance unknown but possibly Garrard. Sweden’s tiara is made of amethysts that supposedly belonged to Napoleon’s first wife, Josephine.