Prince William is reported to be worried over the whereabouts of diamonds that once belonged to Princess Diana.The jewellery, that was given to Meghan Markle, included two diamonds from his late mother's precious collection. Meghan, 42, was given the diamonds as they formed part of her engagement ring from Prince Harry which was given to her in 2017.The ring was made up of three gemstones, two from Diana's collection which were set beside a stone from Botswana on a plain gold band. It was co-designed by Queen Elizabeth’s known jeweller, Cleave & Company and Harry himself.