A signet ring featuring a rounded, gold-toned plated setting and a circular, deep blue centre is being worn on the pinky finger of a hand facing right. The ring is styled against a dark navy blue tailored suit, highlighting its contrasting colours and metallic finish.
A gold-tone signet ring stands upright, showcasing a polished, rounded band and a contrasting light-blue inset stone. The ring faces forward, highlighting its circular profile and smooth bezel setting.

The COS jewellery collection creates a dialogue between archival silhouettes and modern design details. This refined signet ring is cast in a rounded silhouette and punctuated by a lapis lazuli stone that contrasts subtly with the gold-plated setting.

A gold-toned signet ring is shown front-facing, featuring a polished, rounded band and a smooth, oval-shaped blue stone with gold-coloured flecks set at the centre.
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Style with

  • WOOL-BLEND FLARED TROUSERS
  • STRUCTURED WOOL-BLEND BLAZER