Pink Diamond - Rare and Expensive Stone
Laurence Graff, a London jewelry dealer bought a diamond in a Swiss sale for 45.4 million francs ($45.6 million), a record for any gem at auction. The 24.78-carat emerald-cut stone was graded Fancy Intense Pink by the Gemological Institute of America. It was sold by a private collector and hadn't been seen on the open market since being bought from Harry Winston about 60 years ago.Pink Diamond
