7. The Bracelets Joyas de Pasar
Worn by: Spain's Queen Letizia
Since the late 1800s:
Joyas de Pasar translates to "Diamonds That Are Handed Down" in English. Its estimated value is $7.2 million. The exquisite Joyas de Pasar gems have been passed down through the Spanish royal dynasty, most recently being worn by the stunning Queen Letizia.

The Bracelets for the Joyas de Pasar @GTRES/Pinterest
The Joyas were originally owned by Queen Ena, who stipulated in her testament that the diamonds would be passed down from queen to queen back in the 1960s. The two matching bracelets made of diamonds are typically worn in tandem. These diamonds are thought to be worth $7.2 million, which is a small portion of Letizia's $42 million jewelry collection.