The diamond trade’s trusted bulletin for pricing, trends and news
Weekly since 1980
December 4, 2025
News:
Market split continues. US prices stable, India prices down. 2 ct.+ rounds and long fancies steady. Rounds under 1.20 ct. weak. Nov. RAPI for 0.30 ct. -6%, 0.50 ct. -5.1%, 1 ct. -2.6%, 3 ct. +0.1%. US seeing demand for 2- to 4-carat, F-J, VS-SI goods. Thanksgiving, Black Friday and Cyber Monday break spending records. Signet fiscal 3Q sales +3.1% YOY to $1.4B, profit +186% to $20M; synthetics now 40% of bridal business, 15% of fashion. Luk Fook fiscal 1H sales +26% YOY to $879M, profit +44% to $77M amid gold-price jump. Antwerp companies get permission to employ foreign workers as polishers and sorters. US and Israel reportedly in advanced talks to ease tariffs.
Fancies:
Long fancy shapes such as Oval, Marquise and Emerald doing better than rounds in 2 ct. and larger. High-quality Marquises, long Radiants and long Cushions in short supply. Marquises most expensive fancy shapes. Long Cushions easy to sell and trading at 20% to 25% premium over square ones. Solid US market for elongated Ovals of good shape and quality in D-I, VS-SI categories. Indian prices for 0.30 to 0.79 ct. Ovals and Pears softening, except for ideal long models. Princess cuts weak. Very well-cut fancy shapes difficult to find and commanding premiums. Fancies with bad proportions illiquid.
Market Comment
The diamond trade’s trusted bulletin for pricing, trends and news
Weekly since 1980
December 4, 2025
News:
Market split continues. US prices stable, India prices down. 2 ct.+ rounds and long fancies steady. Rounds under 1.20 ct. weak. Nov. RAPI for 0.30 ct. -6%, 0.50 ct. -5.1%, 1 ct. -2.6%, 3 ct. +0.1%. US seeing demand for 2- to 4-carat, F-J, VS-SI goods. Thanksgiving, Black Friday and Cyber Monday break spending records. Signet fiscal 3Q sales +3.1% YOY to $1.4B, profit +186% to $20M; synthetics now 40% of bridal business, 15% of fashion. Luk Fook fiscal 1H sales +26% YOY to $879M, profit +44% to $77M amid gold-price jump. Antwerp companies get permission to employ foreign workers as polishers and sorters. US and Israel reportedly in advanced talks to ease tariffs.Fancies:
Long fancy shapes such as Oval, Marquise and Emerald doing better than rounds in 2 ct. and larger. High-quality Marquises, long Radiants and long Cushions in short supply. Marquises most expensive fancy shapes. Long Cushions easy to sell and trading at 20% to 25% premium over square ones. Solid US market for elongated Ovals of good shape and quality in D-I, VS-SI categories. Indian prices for 0.30 to 0.79 ct. Ovals and Pears softening, except for ideal long models. Princess cuts weak. Very well-cut fancy shapes difficult to find and commanding premiums. Fancies with bad proportions illiquid.Previous Market Comments
Market Comment: October 15, 2026
Market Comment: October 8, 2026
Market Comment: October 1, 2026
Market Comment: September 24, 2026
Market Comment: September 17, 2026
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Previous Market Comments
Market Comment: October 15, 2026
Market Comment: October 8, 2026
Market Comment: October 1, 2026
Market Comment: September 24, 2026
Market Comment: September 17, 2026
Market Comment: September 10, 2026