Edwardian Sapphire & Diamond Marquise Cluster Ring belle époque and the mosaic tesserae are

and the mosaic tesserae are mounted in a single piece of black onyx with chamfered edges and a gold border

DATE: Edwardian

probably commemorative of the introduction of the new (also current) generation of UK road signage

50ct (calc)

He counted the likes of Frank Sinatra

Edwardian Sapphire & Diamond Marquise Cluster Ring belle époque and the mosaic tesserae areDATE: Edwardian, c. 1910 An attractive Edwardian era marquise cluster ring set with a central blue sapphire within a halo of round collet set diamonds (rose and single cuts). The stones are set in millegrain platinum, with an 18 karat yellow gold band and slightly pinched shoulders. Dainty and elegant, in keeping with Edwardian jewellery trends STONES Blue Sapphire Rose & Single Cut Diamonds MEASUREMENTS Head: 12. 5 x 8. 1mm Width of band: 1. 7mm