The symbol on Tiffany's necklace is an abbreviation. The abbreviation is t &；; Co or Tiffany &; Co logo. Tiffany is a well-known luxury brand of jewelry, including jewelry, watches, gifts, perfumes and other different categories. It is a very diversified brand. Tiffany's market positioning is relatively high-end, and it is the queen of jewelry. People with consumption ability and young people who pursue jewelry and design individuality are the main groups, and they belong to luxury brands in jewelry category. The logo of its brand is concise without losing its high-end brilliance, especially like its color-Tiffany Blue. Its packaging color is lighter than the blue of the sky, without losing its characteristics, and it is highly recognizable and easy to remember after reading. Tiffany is mainly decorated with silver, with exquisite key jewelry and shiny diamonds.