RAPAPORT PRESS RELEASE, October 12, 2023, Las Vegas… Diamond prices fell further in September as retail sales weakened amid competition from synthetics. Polished inventories were still high relative to sales expectations, despite lower production.
The RapNet Diamond Index (RAPI) for 1-carat diamonds fell 5.2%, making it the worst month for that category since the peak of the Covid-19 downturn in March 2020. The 0.30-carat RAPI dropped 3.5%, while the index for 0.50-carat goods slid 7.1% and 3-carat diamonds declined 2.5%.
The RAPI only reflects D to H colors and IF to VS2 clarities. Prices for 1-carat, DL, SI1-SI2 items on