Kate Middleton's engagement ring features a blue sapphire stone surrounded by 14 round-cut solitaire diamonds. It's set in 18-carats of white gold. The ring originally belonged to Princess Diana.

There's something so special about royal jewelry, right? Especially when it carries a legacy. Catherine, the Princess of ...

Prince Charles proposed with a sapphire and diamond ring, which was valued at $37,500 Following Princess Diana's death in 1997, Prince William proposed to Kate Middleton with his mother's ring in 2010 ...

Princess Anne received sapphire engagement rings from both her ex-husband, Captain Mark Phillips, and her husband of over 30 years, Sir Timothy Laurence. Her multi-stone engagement rings are ...

There's no shortage of iconic Jackie Kennedy images - the pink Chanel suit, the oversized sunglasses the pillbox hat - but her engagement rings may be the most quietly revealing part of her legacy.