Easily the most recognizable engagement ring in the royal family and the world, Princess Diana’s blue Ceylon faceted sapphire ring comes in at a whopping 12 carats. The sapphire, encircled by 14 ...

consists of 14 diamonds surrounding by a mounted 12-carat oval blue Ceylon sapphire. It's not the first time Kate has removed her engagement ring for a hospital visit. In 2020, when she visited ...