The Queen’s Jewels
It’s difficult to put a price on the Queen’s tiaras and jewelry because the palace will never sell them. This makes it priceless but keen-eyed auctioneers have made estimates. They believe that ornate pieces including the one below have a value of six to 12 million dollars.

The Queen owned at least four dozen crowns throughout her reign as well as innumerable necklaces and brooches. Any of them was worth a fortune but with this came great responsibility. These were her uniform and showed her status as Protector of the Realm (via The List).