Tiffany & Co. is a luxury jewelry and specialty design house headquartered on Fifth Avenue in Manhattan. Tiffany is known for its luxury goods, particularly its diamonds, platinum, gold and sterling silver jewelry. These goods are globally sold at Tiffany stores. Tiffany & Co. was founded in 1837 by the jeweler Charles Lewis Tiffany and became famous in the early 20th century under the artistic direction of his son Louis Comfort Tiffany.