In 2018, the global luxury jewelry market amounted to about 18 billion euros. China has the largest jewelry and watch market followed by the United States, Japan and India. The U.S. jewelry market was expected to increase from about 42 billion U.S. dollars in 2020 to over 60 billion dollars by 2025. Diamond jewelry is the most valuable jewelry market in the United States.
Jewelry stores are a feature of high streets and malls throughout the United States. As of 2018, there were a total of around 20,400 jewelry stores in operation in the United States. Jewelry store sales have been upwards of thirty billion U.S. dollars in each of the last five years with sales tending to peak in December with retail sales often double those of any other month of the year. Signet Jewelers, whose brands include Kay and Zales, lead the way among retailers of jewelry in the United States, with retail sales of over five billion U.S. dollars in 2018, as well as almost three thousand stores. Tiffany & Co., with its iconic New York flagship store, is arguably the biggest name in the world of jewelry. Tiffany & Co. may have lower sales and fewer stores than Signet Jewelers, however in terms of sales per store Tiffany & Co. is peerless.