Boucheron Honeycomb or Greville Tiara, but also the massive Delhi Durbar Tiara once and her own family's tiara once (called the Cubitt Shand Tiara, or some variation thereof usually). Both the Boucheron and the Delhi Durbar came from the Queen Mother's stash. Fun fact: according the Hugh Roberts in The Queen's Diamonds, the Teck Crescent Tiara - also formerly in possession of the Queen Mum - is also on loan to Camilla.
came from the Saudi royals, as likely did the emerald and sapphire necklaces (all given in the course of one visit, mind you).
luscious Kent amethysts back in use.
Oh, soooo many jewels - and a lady that can pull them off. (And this, needless to say, is just a sampling.) Happy birthday to Camilla, and may it bring her even more treasures for us to covet!
What's your favorite piece from Camilla's collection?
Photos: Getty Images//Clarence House/Reuters