Nonetheless, gemologist Alexandra Michell from Prestige Pawnbrokers told the
Mail Online: The central stone is approximately 5cts and appears colourless, and with a classic emerald cut, it is usually a good indication that the diamond is very clean with minimal imperfections. The emerald cut solitaire style is a timeless classic and has been worn by many celebs over the years from Grace Kelly and Elizabeth Taylor to Jennifer Lopez, Angelina Jolie and Beyonce. I believe the retail price for this engagement ring could be in excess of £350,000.
Brooklyn gave a first look at the ring last year
Brooklyn previously offered fans a glimpse of the diamond when he posted a phot of his pet dog, and Nicola s hand in the background.