The World’s Most Expensive Engagement Rings

When popping the question, the tradition used to be that a gentleman would spend between one and three month’s salary on an engagement ring for his soon-to-be fiancée. The women on this list were on the receiving end of some of the most expensive engagement rings in the world, given to them with love by their wealthy fiancés:

Princess Diana

Although this engagement ring was neither custom made nor unique, it proved to be one of the most talked about engagement rings of the 20th century — especially after Diana’s son William used it to propose to his then-girlfriend, Kate Middleton. Originally priced at $42,000, the ring has since become a Royal heirloom valued at $140,000. Many people speculate that Lady Diana picked the blue sapphire ring because it reminded her of her mother’s engagement ring. The ring, made by Garrard, also features 14 solitaire diamonds surrounding the sapphire, set on a white gold band.