 Jewellery expert at Austen Blake Tony French explained that the Halo tiara and the Lovers Knot tiara are the most impressive pieces ever worn by Kate, Princess of Wales, which created her most iconic looks. According to the jeweller, the Lovers Knot tiara is one of the most astonishing royal diadems and was one ... Kate chose Dianas most beloved tiara as first diadem on new... 