The Diamond Story Platinum 1/3ct Diamond Ring, £1,099 - buy here. Vera Wang 18ct White Gold 0.45ct Pear Shaped Cluster Ring, £999 - buy here.

Diamond lovers, pay heed! “The Raj Pink” – the world’s largest known fancy intense pink diamond ... The rare 37.3ct diamond is estimated to fetch US$20 to US$30 million.

The price of the ring is unknown to the public, but the 3ct diamond ring is certainly fit for a royal. The princess often swaps out her engagement ring for other ones, and is no stranger to a ...