This five-carat emerald cocktail ring is a bold luxury statement, its rich-green central stone offset by an asymmetrical halo of marquise and tapered-baguette diamonds. It combines a central Colombian ...

Originally popularised during Prohibition, when flapper girls would wear large, brightly coloured rings to draw attention to the moonshine in their glass, cocktail rings are the perfect party season ...

A popular jewellery design trend from the Roaring Twenties, the cocktail ring has now returned to steal the spotlight.