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Diamond prices continue to decline in October — Rapaport

The price index for 0.3-carat diamonds fell by 5.5% in October and declined by 7.2% year-on-year

MOSCOW, November 3. /TASS/. The price index for 1-carat diamonds fell by 0.9% month-on-month in October, standing 11.1% below its year-earlier level and 6.5% below the level recorded at the beginning of 2026, according to industry agency Rapaport, which calculates the international diamond price index.

Diamond prices declined in October amid an increase in supply in categories that had recorded significant gains earlier this year, the agency said in a statement.

The price index for 0.3-carat diamonds fell by 5.5% in October and declined by 7.2% year-on-year. The index for 0.5-carat diamonds decreased by 2.3% in October and was down 8.2% year-on-year. Meanwhile, the price index for 3-carat diamonds rose by 0.9% in October and increased by 0.8% year-on-year.