Jewellery, Watches and Objects of Vertu

An early 20th century diamond and emerald ring, the octagonal panel centred with a collet set brilliant-cut diamond within a surround of channel set shaped calibré-cut emeralds (one possibly replaced), to a border of single-cut diamonds, between single-cut diamond set shoulders, with scroll engraved gallery, mounted in yellow and white precious metal, principal diamond approximately 0.45 carats, ring size P. £600-800