Priyanka Chopra Jonas in the Bulgari Laguna Blu necklace, worth more than $25 million, at last year's Met Gala. AFP
Priyanka Chopra Jonas in the Bulgari Laguna Blu necklace, worth more than $25 million, at last year's Met Gala. AFP

Ten priciest red carpet jewels, from Priyanka Chopra in Bulgari to the Titanic necklace