Cosmic Egg Jet Black Signet Ring onyx Our take on the mariner

Our take on the mariner chain is ready for almost anything

A singular round pink sapphire set in a four-pronged star setting sits proudly at its centre

giving you a truly magical piece to adorn your lobes with

The Edessa Arc Drop Earrings are a breathtaking expression of elegance and light

Cosmic Egg Jet Black Signet Ring onyx Our take on the marinerThe Cosmic Egg Jet Black Signet Ring reimagines the Cosmic Egg story in a familiar State Property silhouette. The design turns the egg on its side, creating an asymmetry that feels organic, effortless, yet quietly unexpected. At its crown, an emerald cut diamond rests against the Jet Black enamel face, framed by halos of pav stones that lend a soft, celestial shimmer. The result is a silhouette that feels both novel and known a new chapter written in