close cut down collet set in tapered flat-based mounts, the mounts testing as 9ct Length 40.5cm / 16''
Width at central collet 1.2cm / 7/16''
Largest amethyst spread approximately 13.3 x 11.7mm Weight: 40.5g
Art Deco diamond and sapphire oblong cluster ring, c.1920, set with an old lozenge cut diamond to a calibre cut sapphire ground and outer diamond border of old brilliant cut stones, diamond line shoulders extending up to the principal diamond, millegrain set, engraved anthemoin and laurel to half shank, lozenge pierced to gallery, serial number within the shank 3632