The diamond measures 11x6x6.5 cm and weighs 500 grams (1 carat equals 0.2 grams ... Angola with 8.72 million, Zimbabwe with 4.23 million, and all other countries combined with 3.67 million.
Lady Gaga attends the Joker: Folie à Deux red carpet during the 81st Venice International Film Festival at Sala Grande on September 4 ... the diamond solitaire platinum ring to photographers.