Well, the so-called "Princess Diana ... head-turning look, Diana paired the dress with black tights, high heels and a multistrand pearl choker with a huge sapphire in the center.

A choker that Princess Anne wore this ... wearing a treasured necklace. The sapphire choker features a central sapphire with four rows of pearls and 20 diamond bars. She wore the same choker ...

Princess Anne is ... Stone explained that the choker is crafted with “four rows of pearls interspersed with 20 diamond bars, all centered around an angular sapphire and diamond clasp.” ...

Jewelry pieces prominently featured in the portrait, lensed by Paolo Roversi, included the sapphire and diamond ... Princess Diana's collection, Middleton wore Queen Elizabeth II's Japanese pearl ...

The sapphire and diamond ring ... one large stone in the center flanked by two smaller stones on the sides. The two side stones are from his late mother, Princess Diana's personal collection ...

That said, it’s hard not to also see the overlap between Eugenie’s engagement ring and Princess Diana’s—now worn by Kate Middleton—given it also included a large sapphire at the center ...