Bidspirit auction | A 9ct Yellow Gold Sapphire

A 9ct Yellow Gold Sapphire and Diamond Halo Cocktail Ring - A princess-cut blue sapphire and diamond halo cocktail ring in 9ct yellow gold. The ring features a central square princess-cut blue sapphire, held within a four-prong setting and surrounded by a halo of small round-cut diamonds. The setting is elevated on a decorative openwork gallery with scroll filigree detailing to the sides. The internal surface of the shank bears a series of struck hallmarks: a maker's mark in a rectangular cartouche reading 'SG&Co', an oval mark containing '375' denoting 9ct gold purity, an anchor symbol for the Birmingham Assay Office, and a date letter that is not clearly legible. The ring is presented in a black textured box with a cream-coloured lining and a gold-coloured logo reading 'S G & Co' on the interior. Ring Size: P Sapphire Diameter: 7.99 mm Gross Weight: 3.69 g.