Designed as a central pear-shaped diamond weighing 20.02 carats, within an arching surround set with brilliant-cut diamonds. Ring size 52 1/2, US ring size 6 1/4. Weight: 14.10 grams Accompanied by a certificated from the GIA stating that the diamond weighing 20.02 carats is D colour and Internally Flawless clarity. Accompanied by a letter from the GIA stating that this diamond is Type IIa. Further accompanied by a certificate of authenticity from Cartier.