Queen Camilla glittered in a rarely-seen tiara from Queen Elizabeth's collection at the Diplomatic Reception with King ...

Decked in stunning gold it features huge diamonds, balas rubies, emeralds, sapphires, as well as enamel and pearls. However, ...

Below, take a close-up look at some of the jewels belonging to Grace Kelly's vault, from her Cartier engagement ... then ...

Queen Camilla stepped out in a gorgeous red velvet gown by Fiona Clare at a state banquet held in honor of the Qatari state ...

Princess Kate tends to favor the Lover's Knot Tiara, like her late mother-in-law, Princess Diana, and Queen Camilla often chooses her favorite Greville Tiara at events like state banquets.