Diamond market sluggish due to US economic caution and China Covid-19 restrictions. Polished price decline fueling uncertainty. Buyers waiting for further decreases. Suppliers willing to negotiate to raise liquidity and reduce inventory of less desirable goods. Rough market restrained amid decline in prices on secondary market. De Beers maintains stable prices at March sight. Split in Responsible Jewellery Council over Russia sanction policy; executive director Iris Van der Veken quits; Pandora and Richemont leave over Alrosa membership. Tiffany & Co. halts purchasing of polished from Russian rough. UK government places sanctions on Alrosa.