The Steinmetz Pink diamond

The Steinmetz Pink is a diamond weighing 59.60 carats (11.92 g), rated in color as Fancy Vivid Pink by the Gemological Institute of America. The Steinmetz Pink is the largest known diamond having been rated Vivid Pink. As a result of this exceptional rarity, the Steinmetz Group took a cautious 20 months to cut the Pink. It was unveiled in Monaco on May 29, 2003, in a public ceremony.

The Steinmetz Pink was displayed as part of the Smithsonian's "The Splendor of Diamonds" exhibit, alongside the De Beers Millennium Star, the world’s second largest (the Centenary Diamond is the largest) top colour (D) internally and externally flawless pear-shaped diamond at 203.04 carat (40.608 g), the Heart of Eternity Diamond, a 27.64 carat (5.582 g) heart-cut blue diamond and the Moussaieff Red Diamond, the world's largest known Fancy Red diamond at 5.11 carats (1.102 g).