With every new royal engagement, comes a new shiny royal jewel for us all to awe at. From the big, the bold and the beautiful to the sweet and sentimental, we take a look at the most incredible royal engagement rings of all time. Meghan Markle As news spreads that Prince Harry and actress Meghan Markle are now engaged, all eyes are on her sparkling new engagement ring. The gorgeous ring features three stones; a large diamond in the centre from Botswana (which is where their Harry first took Megh