Camilla honored Elizabeth by making her debut in what's informally known as the Aquamarine Ribbon Tiara. The coveted headpiece features five emerald-cut aquamarine gems that are connected by a set ...

Along with rubies, emeralds and diamonds, Queen Maxima's tiara collection also includes the Dutch Aquamarine Parure Tiara. Created in a type of art-deco design, the tiara features diamond ...