The tiara: The Stuart Tiara.
The wearer: Máxima, Queen of the Netherlands.
The details: Made in 1897 to house 'the Stuart diamond,' the colossal 39-carat pear-cut diamond at the top, and (according to rumour) over 900 other diamonds of various sizes.
The tiara: The Bragança Tiara.
The wearer: Queen Silvia of Sweden.
The details: Standing at 12.5 centimetres tall and (reportedly) weighing 3 kilograms, the tiara originated from Brazil and is still one of the largest tiaras worn today.
The tiara: The Luxembourg Empire Tiara.
The wearer: Maria Teresa, Grand Duchess of Luxembourg.
The details: Often considered one of the biggest tiaras in Europe, this 'Empire'-style piece stands at over four inches tall.
The tiara: The Dutch Sapphire Tiara.
The wearer: Máxima, Queen of the Netherlands.
The details: With a 44 carat diamond at the centre, the Dutch Sapphire tiara is one of the largest pieces in the Dutch collection. It was worn by Queen Máxima to her husband's coronation as king.
The tiara: The Leuchtenberg Sapphire Tiara.
The wearer: Queen Silvia of Sweden.
The details: Made of floral and leaf motifs, the tiara was originally made to house pearls which were then swapped out for the 11 sapphires you see now.
The tiara: Queen Sophie's Diamond Tiara.
The wearer: Princess Marie-Chantal of Greece.
The details: This huge tiara calls on emerald-cut diamonds throughout the design.
The tiara: Empress Joséphine's Emerald Tiara.
The wearer: Queen Sonja of Norway.
The details: Using swirls and scrolls in gold and platinum, this tiara was made around 1820.
The tiara: The Fleur de Lys Tiara.
The wearer: Queen Sofia of Spain.
The details: Made in 1906, this tiara uses diamonds and platinum in fleur-de-lys motifs.
The tiara: The Fleur de Lys Tiara.
The wearer: Queen Sofia of Spain.
The details: Made in 1906, this tiara uses diamonds and platinum in fleur-de-lys motifs.
The tiara: Empress Joséphine's tiara.
The wearer: Princess Grace of Monaco.
The details: While this huge tiara doesn't actually belong to the Monaco Royal family, it became well-known after Princess Grace loaned it from Van Cleef & Arpels for a ball in 1966.
The tiara: The Greville Tiara.
The wearer: Camilla, Duchess of Cornwall.
The details: The tiara features a distinctive honeycomb design.
The tiara: Queen Alexandra's Kokoshnik Tiara.
The wearer: Queen Elizabeth II of England.
The details: This tiara has 488 diamonds set into 61 platinum bars, forming a Russian-style kokoshnik tiara.
The tiara: Queen Sophia's Diamond Tiara.
The wearer: Queen Silvia of Sweden.
The details: There are more than 500 different diamonds of various sizes in this colossal tiara.
The tiara: The Württemberg Tiara.
The wearer: Queen Beatrix of the Netherlands.
The details: This platinum tiara features 11 pearls as the focal point.
The tiara: The Poltimore Tiara.
The wearer: Princess Margaret, Countess of Snowdon.
The details: Princess Margaret bought this tiara from an auction in 1959. It is made of scrolls and diamond clusters.
The tiara: The Cartier Loop Tiara.
The wearer: Letizia, Queen of Spain.
The details: This tiara was made in 1879 for the future Queen of Spain, Maria Christina. It is made of diamonds and pearls, set in platinum.
The tiara: The Mellerio Ruby Tiara.
The wearer: Máxima, Queen of the Netherlands.
The details: This piece features rubies and diamonds in three main scrolls.
The tiara: The Cameo Tiara.
The wearer: The Swedish Royal Family.
The details: Thought to be one of the oldest tiaras still worn, it features cameos set in gold with pearls.
The tiara: The Delhi Durbar Tiara.
The wearer: Camilla, Duchess of Cornwall.
The details: Although it is more regularly worn without, this giant tiara can be topped by 10 cabochon emeralds or the colossal 95-carat Cullinan III diamond.
The tiara: The George VI Sapphire Tiara.
The wearer: Queen Elizabeth II of England.
The details: Made with cushion- and lozenge-cut sapphires, this tiara also features round-cut diamonds on a platinum base.
The tiara: The Cartier Diamond and Pearl Tiara.
The wearer: The Spanish Royal Family.
The details: The pearls in this swirling diamond tiara can be swapped out for emeralds.
The tiara: The Alba Russian Tiara.
The wearer: Cayetana Fitz-James Stuart, 18th Duchess of Alba.
The details: Originating from Russia for a Spanish royal, this tiara centred around circular diamond designs.
The tiara: The Cut Steel Tiara.
The wearer: The Swedish Royal Family.
The details: Rumour has it that this diamond-less steel tiara was found by Queen Silvia forgotten in a cupboard when she became queen.
