FILE PHOTO: A model poses with a 59.60-carat mixed cut diamond known as "The Pink Star", the largest Internally Flawless Fancy Vivid Pink diamond ever graded by the Geological Institute of America (GIA), ahead of being auctioned in Hong Kong by Sotheby's. The oval pink diamond was auctioned for 0.553 billion Hong Kong dollars (71.2 million U.S. dollars) at Sotheby's Hong Kong jewels and jadeite spring sale on Tuesday, setting a new world record for any diamond or jewel.(Photo/Agencies)
