U.S. diamond traders imported $1.62 billion worth of polished diamonds in June, which was a 15% drop year-over-year. Traders exported $2.23 billion worth of polished diamonds in June, a 6% year-over-year drop. These transactions reflected a change in the per-carat price of diamonds. The average per-carat price for imported polished diamonds was $1757, a 2% year-over-year increase, and for exported polished diamonds it was $1,247, a 15% year-over-year increase.
Twenty-eight million dollars' worth of rough diamonds were exported from the United States during June 2012, 30% less than in June 2011. However, $53 million worth of rough diamonds were imported in June 2012, a 10% year-over-year increase. U.S. net imports rose substantially from $8 million in June 2011 to $25 million in June 2012.