“This is because it features two large stones cut from the Cullinan diamond – the world’s largest diamond ever found.
“This one brooch alone is worth around £50,000,000.”
According to these jewellery experts, the Queen’s most expensive brooch has a very sentimental meaning behind it.
Max Stone continued: “Just from looking at this incredible piece of jewellery, it’s clear that this is the biggest and most expensive of all Queen Elizabeth’s brooches.
