The Aquamarine Ribbon Tiara features five emerald-cut aquamarine gems, connected by a ribbon-like setting of diamonds. According to The Court Jeweller, Queen Elizabeth wore it just once in public ...

For the special occasion, Camilla delivered, reaching deep into the royal archives for one of Queen Elizabeth ... Ribbon Tiara. The coveted headpiece features five emerald-cut aquamarine gems ...

This piece of royal jewellery is one of the most expensive and it's been worn my Princess Kate on many occasions.

From the coronation St Edward’s Crown, made in 1661 and weighed down by 444 precious gemstones, to Queen Victoria’s emerald parure (a suite of tiara ... young princesses Elizabeth and Margaret ...