and nestled among the priceless pieces and luxury accessories is a pair of affordable earrings that she just can't stop wearing: Monica Vinader's 'Siren' Wire Gold Earrings, £128 / $178.

It makes sense that her day-to-day staples are more affordable than many of her historic royal treasures. Her earrings in particular often catch our attention. She tends to prefer drop earrings over ...