EconomyDiamond prices continue to fall in October, Rapaport says
Rapaport said its 1-carat diamond price index fell 0.9% month on month in October, putting it 11.1% below a year earlier and 6.5% below the start of 2026. Amid rising supply, the indexes for 0.3-carat and 0.5-carat stones dropped 5.5% and 2.3%, while the 3-carat index rose 0.9%.
Diamond prices continue to fall in October, Rapaport says