The diamond trade’s trusted bulletin for pricing, trends and news
Weekly since 1980
September 25, 2025
News:
Steady demand for elongated fancy shapes. Price declines continue in 0.30 to 1 ct. rounds, with goods up to 0.29 ct. weak. US nixes tariffs on polished diamonds from EU. Industry watching ongoing US-India trade talks. Botswana states intention to become controlling shareholder in De Beers, while Angola wants minority stake. Business at Hong Kong show down; little interest in rounds up to 1 ct., but performance better for 2 ct.+ as well as elongated fancies and fancy colors. Mastercard forecasts US holiday sales +3.6% YOY, with online +7.9% and in-store +2.3%.
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. US Oval prices 5% to 10% higher than those of Pears. 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
September 25, 2025
News:
Steady demand for elongated fancy shapes. Price declines continue in 0.30 to 1 ct. rounds, with goods up to 0.29 ct. weak. US nixes tariffs on polished diamonds from EU. Industry watching ongoing US-India trade talks. Botswana states intention to become controlling shareholder in De Beers, while Angola wants minority stake. Business at Hong Kong show down; little interest in rounds up to 1 ct., but performance better for 2 ct.+ as well as elongated fancies and fancy colors. Mastercard forecasts US holiday sales +3.6% YOY, with online +7.9% and in-store +2.3%.
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. US Oval prices 5% to 10% higher than those of Pears. Very well-cut fancy shapes difficult to find and commanding premiums. Fancies with bad proportions illiquid.
Previous Market Comments
Market Comment: June 18, 2026
Market Comment: June 11, 2026
Market Comment: June 4, 2026
Market Comment: May 28, 2026
Market Comment: May 20, 2026
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Previous Market Comments
Market Comment: June 18, 2026
Market Comment: June 11, 2026
Market Comment: June 4, 2026
Market Comment: May 28, 2026
Market Comment: May 20, 2026
Market Comment: May 14, 2026