The priceless heirloom also has ties to the Princess Diana and Kate Middleton-favored Lover's Knot Tiara.
On Nov. 18, the Queen made her debut in the Greville Emerald Kokoshnik Tiara, worn by Princess Eugenie at her royal wedding ...
Queen Camilla favored shades of green in a Fiona Clare gown and emerald and diamond jewelry for the state banquet honoring ...