3Unmounted Heart Shaped Diamond – $11 million
One of the most expensive royal jewels is this heart-shaped diamond weighing 56.15 carats.
Originally cut from the Cullinan Diamonds, the diamond is now a part of Britain’s Crown Jewel collection.
It was released for the public on Valentine’s Day (logic) by Christie’s and was sold for $11 million.
Also known as the ‘Love at First Sight’, the heart-shaped diamond weighs $14.37 carats.