United States - Import Price Index (End Use): Gem Diamonds was 99.80000 Index Dec 2007=100 in January of 2026, according to the United States Federal Reserve. Historically, United States - Import Price Index (End Use): Gem Diamonds reached a record high of 118.80000 in March of 2022 and a record low of 97.20000 in March of 2020. Trading Economics provides the current actual value, an historical data chart and related indicators for United States - Import Price Index (End Use): Gem Diamonds - last updated from the United States Federal Reserve on April of 2026.