The Jewelry Consumer Price Index (CPI) in the United States was up 1.2 percent in the month of May compared to the same period the previous year to 154.72 points, Rapaport News reported.

According to data by the US Bureau of Labor Statistics (BLS), the Consumer Price Index dropped almost 3.3 points from its level in April, but has been maintained over 150 points for the past 16 months.

The CPI is based on a reference point of average prices in 1986, which is set at 100 points. The combined Consumer Price Index index for watches and jewelry in May grew 1.3 percent higher from one year ago to 147.5 points.