High-value orders have the highest fraud rates – online orders worth more than $500 have an almost 20-times-higher fraud rate than lower-value transactions. In Q1 2017, California accounted for 18.9 percent of total fraud in the U.S. – followed by New York, which accounted for 15 percent and Florida, which accounted for 9.9 percent of total fraud. Jewelry and Precious Metals merchants saw an average charge back of $1,970, the highest among the eight analyzed merchant categories. The Consumer Electronics industry still has the second-highest average chargeback – $1,456 –  for orders over $500.

http://www.pymnts.com/news/security-and-risk/2017/online-fraud-drops-new-study/