2. Festoon Necklace, George IV
Donn by: Elizabeth II, the Queen
Been in possession since 1950
Value Estimate: Not Known
George VI commissioned the Festoon necklace, which was crafted from a collection of loose diamonds he had amassed (as a member of the royal family does). The necklace, which is composed of 105 superb-cut diamonds, is estimated to weigh a staggering 170 carats in total.

George IV Festoon Necklace ©Tim Graham / Gettyimages.com Queen Elizabeth II
The Queen has a large collection of diamond necklaces, but this one is still one of her favorites, as demonstrated by the numerous times she has worn it. We can understand why the exquisite, three-strand diamond necklace is a favorite option for her majesty because it is eye-catching and distinctive.
