Princess Anne is well known for her frequent use of stunning and sentimental brooches throughout her royal career but there is one that is every bit as exquisite as it is expensive.

The Princess Royal is also known for her no-nonsense and practical approach to everyday life as well as her royal duties and it looks like she’s adopted that stance when it comes to jewellery too.

Anne’s most valuable brooch is a tiara she was given by her grandmother, the late Queen Mother, on her wedding day in…